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<div class="title">snmpUDPIPv6Domain.c</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <net-snmp/net-snmp-config.h></span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="preprocessor">#ifdef NETSNMP_TRANSPORT_UDPIPV6_DOMAIN</span>
<a name="l00004"></a>00004 <span class="preprocessor"></span>
<a name="l00005"></a>00005 <span class="comment">/*</span>
<a name="l00006"></a>00006 <span class="comment"> * hack-o-matic for Cygwin to use winsock2</span>
<a name="l00007"></a>00007 <span class="comment">*/</span>
<a name="l00008"></a>00008 <span class="preprocessor">#if defined(cygwin)</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_UNISTD_H</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_NETINET_IN_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_ARPA_INET_H</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_NET_IF_H</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_NETDB_H</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_SYS_PARAM_H</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_SYS_SELECT_H</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_SYS_SOCKET_H</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_IN_ADDR_T</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <stdio.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <ctype.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <errno.h></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#if HAVE_STRING_H</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#else</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#include <strings.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#endif</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_STDLIB_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#include <stdlib.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#endif</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_UNISTD_H</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#include <unistd.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#endif</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_SYS_SOCKET_H</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#include <sys/socket.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#endif</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="preprocessor">#if defined(HAVE_WINSOCK_H) || defined(cygwin)</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span> <span class="comment">/*</span>
<a name="l00042"></a>00042 <span class="comment"> * Windows IPv6 support is part of WinSock2 only</span>
<a name="l00043"></a>00043 <span class="comment"> */</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include <winsock2.h></span>
<a name="l00045"></a>00045 <span class="preprocessor">#include <ws2tcpip.h></span>
<a name="l00046"></a>00046 <span class="preprocessor">#undef HAVE_IF_NAMETOINDEX</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span>
<a name="l00048"></a>00048 <span class="keyword">extern</span> <span class="keywordtype">int</span> inet_pton(<span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">char</span>*, <span class="keywordtype">void</span>*);
<a name="l00049"></a>00049 <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *inet_ntop(<span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">void</span>*, <span class="keywordtype">char</span>*, <span class="keywordtype">size_t</span>);
<a name="l00050"></a>00050 <span class="keyword">const</span> <span class="keyword">struct </span>in6_addr in6addr_any = IN6ADDR_ANY_INIT;
<a name="l00051"></a>00051 <span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053 <span class="preprocessor">#if HAVE_NETINET_IN_H</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor">#include <netinet/in.h></span>
<a name="l00055"></a>00055 <span class="preprocessor">#endif</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_ARPA_INET_H</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#include <arpa/inet.h></span>
<a name="l00058"></a>00058 <span class="preprocessor">#endif</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_NETDB_H</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#include <netdb.h></span>
<a name="l00061"></a>00061 <span class="preprocessor">#endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_NET_IF_H</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span><span class="preprocessor">#include <net/if.h></span>
<a name="l00064"></a>00064 <span class="preprocessor">#endif</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span>
<a name="l00066"></a>00066 <span class="preprocessor">#if HAVE_DMALLOC_H</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span><span class="preprocessor">#include <dmalloc.h></span>
<a name="l00068"></a>00068 <span class="preprocessor">#endif</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00070"></a>00070 <span class="preprocessor">#if STRUCT_SOCKADDR_STORAGE_HAS_SS_FAMILY</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span><span class="preprocessor">#define SS_FAMILY ss_family</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span><span class="preprocessor">#elif STRUCT_SOCKADDR_STORAGE_HAS___SS_FAMILY</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#define SS_FAMILY __ss_family</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span>
<a name="l00076"></a>00076 <span class="preprocessor">#include <net-snmp/types.h></span>
<a name="l00077"></a>00077 <span class="preprocessor">#include <net-snmp/output_api.h></span>
<a name="l00078"></a>00078 <span class="preprocessor">#include <net-snmp/config_api.h></span>
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="preprocessor">#include <net-snmp/library/snmp_transport.h></span>
<a name="l00081"></a>00081 <span class="preprocessor">#include <net-snmp/library/snmpUDPIPv6Domain.h></span>
<a name="l00082"></a>00082
<a name="l00083"></a>00083 oid netsnmp_UDPIPv6Domain[] = { TRANSPORT_DOMAIN_UDP_IPV6 };
<a name="l00084"></a>00084 <span class="keyword">static</span> <a class="code" href="structnetsnmp__tdomain__s.html">netsnmp_tdomain</a> udp6Domain;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">/*</span>
<a name="l00087"></a>00087 <span class="comment"> * from snmpUDPDomain. not static, but not public, either.</span>
<a name="l00088"></a>00088 <span class="comment"> * (ie don't put it in a public header.)</span>
<a name="l00089"></a>00089 <span class="comment"> */</span>
<a name="l00090"></a>00090 <span class="keyword">extern</span> <span class="keywordtype">void</span> _netsnmp_udp_sockopt_set(<span class="keywordtype">int</span> fd, <span class="keywordtype">int</span> server);
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">/*</span>
<a name="l00093"></a>00093 <span class="comment"> * Return a string representing the address in data, or else the "far end"</span>
<a name="l00094"></a>00094 <span class="comment"> * address if data is NULL. </span>
<a name="l00095"></a>00095 <span class="comment"> */</span>
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keyword">static</span> <span class="keywordtype">char</span> *
<a name="l00098"></a>00098 netsnmp_udp6_fmtaddr(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t, <span class="keywordtype">void</span> *data, <span class="keywordtype">int</span> len)
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 <span class="keyword">struct </span>sockaddr_in6 *to = NULL;
<a name="l00101"></a>00101
<a name="l00102"></a>00102 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6"</span>, <span class="stringliteral">"fmtaddr: t = %p, data = %p, len = %d\n"</span>, t,
<a name="l00103"></a>00103 data, len));
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (data != NULL && len == <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6)) {
<a name="l00105"></a>00105 to = (<span class="keyword">struct </span>sockaddr_in6 *) data;
<a name="l00106"></a>00106 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (t != NULL && t->data != NULL) {
<a name="l00107"></a>00107 to = (<span class="keyword">struct </span>sockaddr_in6 *) t->data;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 <span class="keywordflow">if</span> (to == NULL) {
<a name="l00110"></a>00110 <span class="keywordflow">return</span> strdup(<span class="stringliteral">"UDP/IPv6: unknown"</span>);
<a name="l00111"></a>00111 } <span class="keywordflow">else</span> {
<a name="l00112"></a>00112 <span class="keywordtype">char</span> addr[INET6_ADDRSTRLEN];
<a name="l00113"></a>00113 <span class="keywordtype">char</span> tmp[INET6_ADDRSTRLEN + 8];
<a name="l00114"></a>00114
<a name="l00115"></a>00115 sprintf(tmp, <span class="stringliteral">"UDP/IPv6: [%s]:%hu"</span>,
<a name="l00116"></a>00116 inet_ntop(AF_INET6, (<span class="keywordtype">void</span> *) &(to->sin6_addr), addr,
<a name="l00117"></a>00117 INET6_ADDRSTRLEN), ntohs(to->sin6_port));
<a name="l00118"></a>00118 <span class="keywordflow">return</span> strdup(tmp);
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121
<a name="l00122"></a>00122
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="comment">/*</span>
<a name="l00125"></a>00125 <span class="comment"> * You can write something into opaque that will subsequently get passed back </span>
<a name="l00126"></a>00126 <span class="comment"> * to your send function if you like. For instance, you might want to</span>
<a name="l00127"></a>00127 <span class="comment"> * remember where a PDU came from, so that you can send a reply there... </span>
<a name="l00128"></a>00128 <span class="comment"> */</span>
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00131"></a>00131 netsnmp_udp6_recv(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t, <span class="keywordtype">void</span> *buf, <span class="keywordtype">int</span> size,
<a name="l00132"></a>00132 <span class="keywordtype">void</span> **opaque, <span class="keywordtype">int</span> *olength)
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134 <span class="keywordtype">int</span> rc = -1;
<a name="l00135"></a>00135 socklen_t fromlen = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_in6);
<a name="l00136"></a>00136 <span class="keyword">struct </span>sockaddr *from;
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (t != NULL && t->sock >= 0) {
<a name="l00139"></a>00139 from = (<span class="keyword">struct </span>sockaddr *) malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00140"></a>00140 <span class="keywordflow">if</span> (from == NULL) {
<a name="l00141"></a>00141 *opaque = NULL;
<a name="l00142"></a>00142 *olength = 0;
<a name="l00143"></a>00143 <span class="keywordflow">return</span> -1;
<a name="l00144"></a>00144 } <span class="keywordflow">else</span> {
<a name="l00145"></a>00145 memset(from, 0, fromlen);
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keywordflow">while</span> (rc < 0) {
<a name="l00149"></a>00149 rc = recvfrom(t->sock, buf, size, 0, from, &fromlen);
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (rc < 0 && errno != EINTR) {
<a name="l00151"></a>00151 <span class="keywordflow">break</span>;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (rc >= 0) {
<a name="l00156"></a>00156 <span class="keywordtype">char</span> *str = netsnmp_udp6_fmtaddr(NULL, from, fromlen);
<a name="l00157"></a>00157 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6"</span>,
<a name="l00158"></a>00158 <span class="stringliteral">"recvfrom fd %d got %d bytes (from %s)\n"</span>, t->sock,
<a name="l00159"></a>00159 rc, str));
<a name="l00160"></a>00160 free(str);
<a name="l00161"></a>00161 } <span class="keywordflow">else</span> {
<a name="l00162"></a>00162 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6"</span>, <span class="stringliteral">"recvfrom fd %d err %d (\"%s\")\n"</span>,
<a name="l00163"></a>00163 t->sock, errno, strerror(errno)));
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 *opaque = (<span class="keywordtype">void</span> *) from;
<a name="l00166"></a>00166 *olength = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_in6);
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 <span class="keywordflow">return</span> rc;
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170
<a name="l00171"></a>00171
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00174"></a>00174 netsnmp_udp6_send(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t, <span class="keywordtype">void</span> *buf, <span class="keywordtype">int</span> size,
<a name="l00175"></a>00175 <span class="keywordtype">void</span> **opaque, <span class="keywordtype">int</span> *olength)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <span class="keywordtype">int</span> rc = -1;
<a name="l00178"></a>00178 <span class="keyword">struct </span>sockaddr *to = NULL;
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="keywordflow">if</span> (opaque != NULL && *opaque != NULL &&
<a name="l00181"></a>00181 *olength == <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6)) {
<a name="l00182"></a>00182 to = (<span class="keyword">struct </span>sockaddr *) (*opaque);
<a name="l00183"></a>00183 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (t != NULL && t->data != NULL &&
<a name="l00184"></a>00184 t->data_length == <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6)) {
<a name="l00185"></a>00185 to = (<span class="keyword">struct </span>sockaddr *) (t->data);
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keywordflow">if</span> (to != NULL && t != NULL && t->sock >= 0) {
<a name="l00189"></a>00189 <span class="keywordtype">char</span> *str = netsnmp_udp6_fmtaddr(NULL, (<span class="keywordtype">void</span> *)to,
<a name="l00190"></a>00190 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00191"></a>00191 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6"</span>, <span class="stringliteral">"send %d bytes from %p to %s on fd %d\n"</span>,
<a name="l00192"></a>00192 size, buf, str, t->sock));
<a name="l00193"></a>00193 free(str);
<a name="l00194"></a>00194 <span class="keywordflow">while</span> (rc < 0) {
<a name="l00195"></a>00195 rc = sendto(t->sock, buf, size, 0, to,<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00196"></a>00196 <span class="keywordflow">if</span> (rc < 0 && errno != EINTR) {
<a name="l00197"></a>00197 <span class="keywordflow">break</span>;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201 <span class="keywordflow">return</span> rc;
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00204"></a>00204
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00207"></a>00207 netsnmp_udp6_close(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t)
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 <span class="keywordtype">int</span> rc = -1;
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (t != NULL && t->sock >= 0) {
<a name="l00211"></a>00211 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6"</span>, <span class="stringliteral">"close fd %d\n"</span>, t->sock));
<a name="l00212"></a>00212 <span class="preprocessor">#ifndef HAVE_CLOSESOCKET</span>
<a name="l00213"></a>00213 <span class="preprocessor"></span> rc = close(t->sock);
<a name="l00214"></a>00214 <span class="preprocessor">#else</span>
<a name="l00215"></a>00215 <span class="preprocessor"></span> rc = closesocket(t->sock);
<a name="l00216"></a>00216 <span class="preprocessor">#endif</span>
<a name="l00217"></a>00217 <span class="preprocessor"></span> t->sock = -1;
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 <span class="keywordflow">return</span> rc;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="comment">/*</span>
<a name="l00225"></a>00225 <span class="comment"> * Open a UDP/IPv6-based transport for SNMP. Local is TRUE if addr is the</span>
<a name="l00226"></a>00226 <span class="comment"> * local address to bind to (i.e. this is a server-type session); otherwise</span>
<a name="l00227"></a>00227 <span class="comment"> * addr is the remote address to send things to. </span>
<a name="l00228"></a>00228 <span class="comment"> */</span>
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *
<a name="l00231"></a>00231 netsnmp_udp6_transport(<span class="keyword">struct</span> sockaddr_in6 *addr, <span class="keywordtype">int</span> local)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 <a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *t = NULL;
<a name="l00234"></a>00234 <span class="keywordtype">int</span> rc = 0;
<a name="l00235"></a>00235 <span class="keywordtype">char</span> *str = NULL;
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keywordflow">if</span> (addr == NULL || addr->sin6_family != AF_INET6) {
<a name="l00238"></a>00238 <span class="keywordflow">return</span> NULL;
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240
<a name="l00241"></a>00241 t = (<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *) malloc(<span class="keyword">sizeof</span>(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a>));
<a name="l00242"></a>00242 <span class="keywordflow">if</span> (t == NULL) {
<a name="l00243"></a>00243 <span class="keywordflow">return</span> NULL;
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245
<a name="l00246"></a>00246 str = netsnmp_udp6_fmtaddr(NULL, (<span class="keywordtype">void</span> *) addr,
<a name="l00247"></a>00247 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00248"></a>00248 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6"</span>, <span class="stringliteral">"open %s %s\n"</span>, local ? <span class="stringliteral">"local"</span> : <span class="stringliteral">"remote"</span>,
<a name="l00249"></a>00249 str));
<a name="l00250"></a>00250 free(str);
<a name="l00251"></a>00251
<a name="l00252"></a>00252 memset(t, 0, <span class="keyword">sizeof</span>(<a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a>));
<a name="l00253"></a>00253
<a name="l00254"></a>00254 t->domain = netsnmp_UDPIPv6Domain;
<a name="l00255"></a>00255 t->domain_length =
<a name="l00256"></a>00256 <span class="keyword">sizeof</span>(netsnmp_UDPIPv6Domain) / <span class="keyword">sizeof</span>(netsnmp_UDPIPv6Domain[0]);
<a name="l00257"></a>00257
<a name="l00258"></a>00258 t->sock = socket(PF_INET6, SOCK_DGRAM, 0);
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (t->sock < 0) {
<a name="l00260"></a>00260 netsnmp_transport_free(t);
<a name="l00261"></a>00261 <span class="keywordflow">return</span> NULL;
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a>00264 _netsnmp_udp_sockopt_set(t->sock, local);
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="keywordflow">if</span> (local) {
<a name="l00267"></a>00267 <span class="comment">/*</span>
<a name="l00268"></a>00268 <span class="comment"> * This session is inteneded as a server, so we must bind on to the</span>
<a name="l00269"></a>00269 <span class="comment"> * given IP address, which may include an interface address, or could</span>
<a name="l00270"></a>00270 <span class="comment"> * be INADDR_ANY, but certainly includes a port number.</span>
<a name="l00271"></a>00271 <span class="comment"> */</span>
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="preprocessor">#ifdef IPV6_V6ONLY</span>
<a name="l00274"></a>00274 <span class="preprocessor"></span> <span class="comment">/* Try to restrict PF_INET6 socket to IPv6 communications only. */</span>
<a name="l00275"></a>00275 {
<a name="l00276"></a>00276 <span class="keywordtype">int</span> one=1;
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (setsockopt(t->sock, IPPROTO_IPV6, IPV6_V6ONLY, (<span class="keywordtype">char</span> *)&one, <span class="keyword">sizeof</span>(one)) != 0) {
<a name="l00278"></a>00278 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6"</span>, <span class="stringliteral">"couldn't set IPV6_V6ONLY to %d bytes: %s\n"</span>, one, strerror(errno)));
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281 <span class="preprocessor">#endif</span>
<a name="l00282"></a>00282 <span class="preprocessor"></span>
<a name="l00283"></a>00283 rc = bind(t->sock, (<span class="keyword">struct</span> sockaddr *) addr,
<a name="l00284"></a>00284 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (rc != 0) {
<a name="l00286"></a>00286 netsnmp_udp6_close(t);
<a name="l00287"></a>00287 netsnmp_transport_free(t);
<a name="l00288"></a>00288 <span class="keywordflow">return</span> NULL;
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290 t->local = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)malloc(18);
<a name="l00291"></a>00291 <span class="keywordflow">if</span> (t->local == NULL) {
<a name="l00292"></a>00292 netsnmp_udp6_close(t);
<a name="l00293"></a>00293 netsnmp_transport_free(t);
<a name="l00294"></a>00294 <span class="keywordflow">return</span> NULL;
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296 memcpy(t->local, addr->sin6_addr.s6_addr, 16);
<a name="l00297"></a>00297 t->local[16] = (addr->sin6_port & 0xff00) >> 8;
<a name="l00298"></a>00298 t->local[17] = (addr->sin6_port & 0x00ff) >> 0;
<a name="l00299"></a>00299 t->local_length = 18;
<a name="l00300"></a>00300 t->data = NULL;
<a name="l00301"></a>00301 t->data_length = 0;
<a name="l00302"></a>00302 } <span class="keywordflow">else</span> {
<a name="l00303"></a>00303 <span class="comment">/*</span>
<a name="l00304"></a>00304 <span class="comment"> * This is a client session. Save the address in the</span>
<a name="l00305"></a>00305 <span class="comment"> * transport-specific data pointer for later use by netsnmp_udp6_send.</span>
<a name="l00306"></a>00306 <span class="comment"> */</span>
<a name="l00307"></a>00307
<a name="l00308"></a>00308 t->data = malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00309"></a>00309 <span class="keywordflow">if</span> (t->data == NULL) {
<a name="l00310"></a>00310 netsnmp_udp6_close(t);
<a name="l00311"></a>00311 netsnmp_transport_free(t);
<a name="l00312"></a>00312 <span class="keywordflow">return</span> NULL;
<a name="l00313"></a>00313 }
<a name="l00314"></a>00314 memcpy(t->data, addr, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00315"></a>00315 t->data_length = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_in6);
<a name="l00316"></a>00316 t->remote = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)malloc(18);
<a name="l00317"></a>00317 <span class="keywordflow">if</span> (t->remote == NULL) {
<a name="l00318"></a>00318 netsnmp_udp6_close(t);
<a name="l00319"></a>00319 netsnmp_transport_free(t);
<a name="l00320"></a>00320 <span class="keywordflow">return</span> NULL;
<a name="l00321"></a>00321 }
<a name="l00322"></a>00322 memcpy(t->remote, addr->sin6_addr.s6_addr, 16);
<a name="l00323"></a>00323 t->remote[16] = (addr->sin6_port & 0xff00) >> 8;
<a name="l00324"></a>00324 t->remote[17] = (addr->sin6_port & 0x00ff) >> 0;
<a name="l00325"></a>00325 t->remote_length = 18;
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="comment">/*</span>
<a name="l00329"></a>00329 <span class="comment"> * 16-bit length field, 8 byte UDP header, 40 byte IPv6 header. </span>
<a name="l00330"></a>00330 <span class="comment"> */</span>
<a name="l00331"></a>00331
<a name="l00332"></a>00332 t->msgMaxSize = 0xffff - 8 - 40;
<a name="l00333"></a>00333 t->f_recv = netsnmp_udp6_recv;
<a name="l00334"></a>00334 t->f_send = netsnmp_udp6_send;
<a name="l00335"></a>00335 t->f_close = netsnmp_udp6_close;
<a name="l00336"></a>00336 t->f_accept = NULL;
<a name="l00337"></a>00337 t->f_fmtaddr = netsnmp_udp6_fmtaddr;
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="keywordflow">return</span> t;
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="comment">/*</span>
<a name="l00344"></a>00344 <span class="comment"> * Not extern but used from here and snmpTCPIPv6Domain.C</span>
<a name="l00345"></a>00345 <span class="comment"> */</span>
<a name="l00346"></a>00346 <span class="keywordtype">int</span>
<a name="l00347"></a>00347 netsnmp_sockaddr_in6_2(<span class="keyword">struct</span> sockaddr_in6 *addr,
<a name="l00348"></a>00348 <span class="keyword">const</span> <span class="keywordtype">char</span> *inpeername, <span class="keyword">const</span> <span class="keywordtype">char</span> *default_target)
<a name="l00349"></a>00349 {
<a name="l00350"></a>00350 <span class="keywordtype">char</span> *cp = NULL, *peername = NULL;
<a name="l00351"></a>00351 <span class="keywordtype">char</span> debug_addr[INET6_ADDRSTRLEN];
<a name="l00352"></a>00352 <span class="preprocessor">#if HAVE_GETADDRINFO</span>
<a name="l00353"></a>00353 <span class="preprocessor"></span> <span class="keyword">struct </span>addrinfo *addrs = NULL;
<a name="l00354"></a>00354 <span class="keyword">struct </span>addrinfo hint;
<a name="l00355"></a>00355 <span class="keywordtype">int</span> err;
<a name="l00356"></a>00356 <span class="preprocessor">#elif HAVE_GETIPNODEBYNAME</span>
<a name="l00357"></a>00357 <span class="preprocessor"></span> <span class="keyword">struct </span>hostent *hp = NULL;
<a name="l00358"></a>00358 <span class="keywordtype">int</span> err;
<a name="l00359"></a>00359 <span class="preprocessor">#elif HAVE_GETHOSTBYNAME</span>
<a name="l00360"></a>00360 <span class="preprocessor"></span> <span class="keyword">struct </span>hostent *hp = NULL;
<a name="l00361"></a>00361 <span class="preprocessor">#endif</span>
<a name="l00362"></a>00362 <span class="preprocessor"></span> <span class="keywordtype">int</span> portno;
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (addr == NULL) {
<a name="l00365"></a>00365 <span class="keywordflow">return</span> 0;
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367
<a name="l00368"></a>00368 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00369"></a>00369 <span class="stringliteral">"addr %p, peername \"%s\", default_target \"%s\"\n"</span>,
<a name="l00370"></a>00370 addr, inpeername ? inpeername : <span class="stringliteral">"[NIL]"</span>,
<a name="l00371"></a>00371 default_target ? default_target : <span class="stringliteral">"[NIL]"</span>));
<a name="l00372"></a>00372
<a name="l00373"></a>00373 memset(addr, 0, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00374"></a>00374 addr->sin6_family = AF_INET6;
<a name="l00375"></a>00375 addr->sin6_addr = in6addr_any;
<a name="l00376"></a>00376 addr->sin6_port = htons((u_short)SNMP_PORT);
<a name="l00377"></a>00377
<a name="l00378"></a>00378 {
<a name="l00379"></a>00379 <span class="keywordtype">int</span> port = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
<a name="l00380"></a>00380 NETSNMP_DS_LIB_DEFAULT_PORT);
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (port != 0)
<a name="l00382"></a>00382 addr->sin6_port = htons((u_short)port);
<a name="l00383"></a>00383 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (default_target != NULL)
<a name="l00384"></a>00384 netsnmp_sockaddr_in6_2(addr, default_target, NULL);
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386
<a name="l00387"></a>00387 <span class="keywordflow">if</span> (inpeername != NULL) {
<a name="l00388"></a>00388 <span class="comment">/*</span>
<a name="l00389"></a>00389 <span class="comment"> * Duplicate the peername because we might want to mank around with</span>
<a name="l00390"></a>00390 <span class="comment"> * it. </span>
<a name="l00391"></a>00391 <span class="comment"> */</span>
<a name="l00392"></a>00392
<a name="l00393"></a>00393 peername = strdup(inpeername);
<a name="l00394"></a>00394 <span class="keywordflow">if</span> (peername == NULL) {
<a name="l00395"></a>00395 <span class="keywordflow">return</span> 0;
<a name="l00396"></a>00396 }
<a name="l00397"></a>00397
<a name="l00398"></a>00398 <span class="keywordflow">for</span> (cp = peername; *cp && isdigit((<span class="keywordtype">int</span>) *cp); cp++);
<a name="l00399"></a>00399 <span class="keywordflow">if</span> (!*cp && atoi(peername) != 0) {
<a name="l00400"></a>00400 <span class="comment">/*</span>
<a name="l00401"></a>00401 <span class="comment"> * Okay, it looks like JUST a port number. </span>
<a name="l00402"></a>00402 <span class="comment"> */</span>
<a name="l00403"></a>00403 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>, <span class="stringliteral">"totally numeric: %d\n"</span>,
<a name="l00404"></a>00404 atoi(peername)));
<a name="l00405"></a>00405 addr->sin6_port = htons(atoi(peername));
<a name="l00406"></a>00406 <span class="keywordflow">goto</span> resolved;
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="comment">/*</span>
<a name="l00410"></a>00410 <span class="comment"> * See if it is an IPv6 address, which covered with square brankets</span>
<a name="l00411"></a>00411 <span class="comment"> * with an appended :port. </span>
<a name="l00412"></a>00412 <span class="comment"> */</span>
<a name="l00413"></a>00413 <span class="keywordflow">if</span> (*peername == <span class="charliteral">'['</span>) {
<a name="l00414"></a>00414 cp = strchr(peername, <span class="charliteral">']'</span>);
<a name="l00415"></a>00415 <span class="keywordflow">if</span> (cp != NULL) {
<a name="l00416"></a>00416 <span class="comment">/*</span>
<a name="l00417"></a>00417 <span class="comment"> * See if it is an IPv6 link-local address with interface</span>
<a name="l00418"></a>00418 <span class="comment"> * name as <zone_id>, like fe80::1234%eth0.</span>
<a name="l00419"></a>00419 <span class="comment"> * Please refer to the internet draft, IPv6 Scoped Address Architecture</span>
<a name="l00420"></a>00420 <span class="comment"> * http://www.ietf.org/internet-drafts/draft-ietf-ipngwg-scoping-arch-04.txt</span>
<a name="l00421"></a>00421 <span class="comment"> *</span>
<a name="l00422"></a>00422 <span class="comment"> */</span>
<a name="l00423"></a>00423 <span class="keywordtype">char</span> *scope_id;
<a name="l00424"></a>00424 <span class="preprocessor">#ifdef HAVE_IF_NAMETOINDEX</span>
<a name="l00425"></a>00425 <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> if_index = 0;
<a name="l00426"></a>00426 <span class="preprocessor">#endif</span>
<a name="l00427"></a>00427 <span class="preprocessor"></span> *cp = <span class="charliteral">'\0'</span>;
<a name="l00428"></a>00428 scope_id = strchr(peername + 1, <span class="charliteral">'%'</span>);
<a name="l00429"></a>00429 <span class="keywordflow">if</span> (scope_id != NULL) {
<a name="l00430"></a>00430 *scope_id = <span class="charliteral">'\0'</span>;
<a name="l00431"></a>00431 <span class="preprocessor">#ifdef HAVE_IF_NAMETOINDEX</span>
<a name="l00432"></a>00432 <span class="preprocessor"></span> if_index = if_nametoindex(scope_id + 1);
<a name="l00433"></a>00433 <span class="preprocessor">#endif</span>
<a name="l00434"></a>00434 <span class="preprocessor"></span> }
<a name="l00435"></a>00435 <span class="keywordflow">if</span> (*(cp + 1) == <span class="charliteral">':'</span>) {
<a name="l00436"></a>00436 <span class="keywordflow">if</span> (atoi(cp + 2) != 0 &&
<a name="l00437"></a>00437 inet_pton(AF_INET6, peername + 1,
<a name="l00438"></a>00438 (<span class="keywordtype">void</span> *) &(addr->sin6_addr))) {
<a name="l00439"></a>00439 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00440"></a>00440 <span class="stringliteral">"IPv6 address with port suffix :%d\n"</span>,
<a name="l00441"></a>00441 atoi(cp + 2)));
<a name="l00442"></a>00442 addr->sin6_port = htons(atoi(cp + 2));
<a name="l00443"></a>00443 <span class="preprocessor">#if defined(HAVE_IF_NAMETOINDEX) && defined(HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID)</span>
<a name="l00444"></a>00444 <span class="preprocessor"></span> addr->sin6_scope_id = if_index;
<a name="l00445"></a>00445 <span class="preprocessor">#endif</span>
<a name="l00446"></a>00446 <span class="preprocessor"></span> <span class="keywordflow">goto</span> resolved;
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448 } <span class="keywordflow">else</span> {
<a name="l00449"></a>00449 <span class="keywordflow">if</span> (inet_pton
<a name="l00450"></a>00450 (AF_INET6, peername + 1,
<a name="l00451"></a>00451 (<span class="keywordtype">void</span> *) &(addr->sin6_addr))) {
<a name="l00452"></a>00452 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00453"></a>00453 <span class="stringliteral">"IPv6 address with square brankets\n"</span>));
<a name="l00454"></a>00454 portno = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
<a name="l00455"></a>00455 NETSNMP_DS_LIB_DEFAULT_PORT);
<a name="l00456"></a>00456 <span class="keywordflow">if</span> (portno <= 0)
<a name="l00457"></a>00457 portno = SNMP_PORT;
<a name="l00458"></a>00458 addr->sin6_port = htons(portno);
<a name="l00459"></a>00459 <span class="preprocessor">#if defined(HAVE_IF_NAMETOINDEX) && defined(HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID)</span>
<a name="l00460"></a>00460 <span class="preprocessor"></span> addr->sin6_scope_id = if_index;
<a name="l00461"></a>00461 <span class="preprocessor">#endif</span>
<a name="l00462"></a>00462 <span class="preprocessor"></span> <span class="keywordflow">goto</span> resolved;
<a name="l00463"></a>00463 }
<a name="l00464"></a>00464 }
<a name="l00465"></a>00465 <span class="keywordflow">if</span> (scope_id != NULL) {
<a name="l00466"></a>00466 *scope_id = <span class="charliteral">'%'</span>;
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468 *cp = <span class="charliteral">']'</span>;
<a name="l00469"></a>00469 }
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471
<a name="l00472"></a>00472 cp = strrchr(peername, <span class="charliteral">':'</span>);
<a name="l00473"></a>00473 <span class="keywordflow">if</span> (cp != NULL) {
<a name="l00474"></a>00474 <span class="keywordtype">char</span> *scope_id;
<a name="l00475"></a>00475 <span class="preprocessor">#ifdef HAVE_IF_NAMETOINDEX</span>
<a name="l00476"></a>00476 <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> if_index = 0;
<a name="l00477"></a>00477 <span class="preprocessor">#endif</span>
<a name="l00478"></a>00478 <span class="preprocessor"></span> *cp = <span class="charliteral">'\0'</span>;
<a name="l00479"></a>00479 scope_id = strchr(peername + 1, <span class="charliteral">'%'</span>);
<a name="l00480"></a>00480 <span class="keywordflow">if</span> (scope_id != NULL) {
<a name="l00481"></a>00481 *scope_id = <span class="charliteral">'\0'</span>;
<a name="l00482"></a>00482 <span class="preprocessor">#ifdef HAVE_IF_NAMETOINDEX</span>
<a name="l00483"></a>00483 <span class="preprocessor"></span> if_index = if_nametoindex(scope_id + 1);
<a name="l00484"></a>00484 <span class="preprocessor">#endif</span>
<a name="l00485"></a>00485 <span class="preprocessor"></span> }
<a name="l00486"></a>00486 <span class="keywordflow">if</span> (atoi(cp + 1) != 0 &&
<a name="l00487"></a>00487 inet_pton(AF_INET6, peername,
<a name="l00488"></a>00488 (<span class="keywordtype">void</span> *) &(addr->sin6_addr))) {
<a name="l00489"></a>00489 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00490"></a>00490 <span class="stringliteral">"IPv6 address with port suffix :%d\n"</span>,
<a name="l00491"></a>00491 atoi(cp + 1)));
<a name="l00492"></a>00492 addr->sin6_port = htons(atoi(cp + 1));
<a name="l00493"></a>00493 <span class="preprocessor">#if defined(HAVE_IF_NAMETOINDEX) && defined(HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID)</span>
<a name="l00494"></a>00494 <span class="preprocessor"></span> addr->sin6_scope_id = if_index;
<a name="l00495"></a>00495 <span class="preprocessor">#endif</span>
<a name="l00496"></a>00496 <span class="preprocessor"></span> <span class="keywordflow">goto</span> resolved;
<a name="l00497"></a>00497 }
<a name="l00498"></a>00498 <span class="keywordflow">if</span> (scope_id != NULL) {
<a name="l00499"></a>00499 *scope_id = <span class="charliteral">'%'</span>;
<a name="l00500"></a>00500 }
<a name="l00501"></a>00501 *cp = <span class="charliteral">':'</span>;
<a name="l00502"></a>00502 }
<a name="l00503"></a>00503
<a name="l00504"></a>00504 <span class="comment">/*</span>
<a name="l00505"></a>00505 <span class="comment"> * See if it is JUST an IPv6 address. </span>
<a name="l00506"></a>00506 <span class="comment"> */</span>
<a name="l00507"></a>00507 <span class="keywordflow">if</span> (inet_pton(AF_INET6, peername, (<span class="keywordtype">void</span> *) &(addr->sin6_addr))) {
<a name="l00508"></a>00508 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>, <span class="stringliteral">"just IPv6 address\n"</span>));
<a name="l00509"></a>00509 <span class="keywordflow">goto</span> resolved;
<a name="l00510"></a>00510 }
<a name="l00511"></a>00511
<a name="l00512"></a>00512 <span class="comment">/*</span>
<a name="l00513"></a>00513 <span class="comment"> * Well, it must be a hostname then, possibly with an appended :port.</span>
<a name="l00514"></a>00514 <span class="comment"> * Sort that out first. </span>
<a name="l00515"></a>00515 <span class="comment"> */</span>
<a name="l00516"></a>00516
<a name="l00517"></a>00517 cp = strrchr(peername, <span class="charliteral">':'</span>);
<a name="l00518"></a>00518 <span class="keywordflow">if</span> (cp != NULL) {
<a name="l00519"></a>00519 *cp = <span class="charliteral">'\0'</span>;
<a name="l00520"></a>00520 <span class="keywordflow">if</span> (atoi(cp + 1) != 0) {
<a name="l00521"></a>00521 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00522"></a>00522 <span class="stringliteral">"hostname(?) with port suffix :%d\n"</span>,
<a name="l00523"></a>00523 atoi(cp + 1)));
<a name="l00524"></a>00524 addr->sin6_port = htons(atoi(cp + 1));
<a name="l00525"></a>00525 } <span class="keywordflow">else</span> {
<a name="l00526"></a>00526 <span class="comment">/*</span>
<a name="l00527"></a>00527 <span class="comment"> * No idea, looks bogus but we might as well pass the full thing to</span>
<a name="l00528"></a>00528 <span class="comment"> * the name resolver below. </span>
<a name="l00529"></a>00529 <span class="comment"> */</span>
<a name="l00530"></a>00530 *cp = <span class="charliteral">':'</span>;
<a name="l00531"></a>00531 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00532"></a>00532 <span class="stringliteral">"hostname(?) with embedded ':'?\n"</span>));
<a name="l00533"></a>00533 }
<a name="l00534"></a>00534 <span class="comment">/*</span>
<a name="l00535"></a>00535 <span class="comment"> * Fall through. </span>
<a name="l00536"></a>00536 <span class="comment"> */</span>
<a name="l00537"></a>00537 }
<a name="l00538"></a>00538 <span class="preprocessor">#if HAVE_GETADDRINFO</span>
<a name="l00539"></a>00539 <span class="preprocessor"></span> memset(&hint, 0, <span class="keyword">sizeof</span> hint);
<a name="l00540"></a>00540 hint.ai_flags = 0;
<a name="l00541"></a>00541 hint.ai_family = PF_INET6;
<a name="l00542"></a>00542 hint.ai_socktype = SOCK_DGRAM;
<a name="l00543"></a>00543 hint.ai_protocol = 0;
<a name="l00544"></a>00544
<a name="l00545"></a>00545 err = getaddrinfo(peername, NULL, &hint, &addrs);
<a name="l00546"></a>00546 <span class="keywordflow">if</span> (err != 0) {
<a name="l00547"></a>00547 <span class="preprocessor">#if HAVE_GAI_STRERROR</span>
<a name="l00548"></a>00548 <span class="preprocessor"></span> <a class="code" href="group__snmp__logging.html#ga9ba905368ea1c551b969af44b13e37c2" title="This snmp logging function allows variable argument list given the specified format and priority...">snmp_log</a>(LOG_ERR, <span class="stringliteral">"getaddrinfo: %s %s\n"</span>, peername,
<a name="l00549"></a>00549 gai_strerror(err));
<a name="l00550"></a>00550 <span class="preprocessor">#else</span>
<a name="l00551"></a>00551 <span class="preprocessor"></span> <a class="code" href="group__snmp__logging.html#ga9ba905368ea1c551b969af44b13e37c2" title="This snmp logging function allows variable argument list given the specified format and priority...">snmp_log</a>(LOG_ERR, <span class="stringliteral">"getaddrinfo: %s (error %d)\n"</span>, peername, err);
<a name="l00552"></a>00552 <span class="preprocessor">#endif</span>
<a name="l00553"></a>00553 <span class="preprocessor"></span> free(peername);
<a name="l00554"></a>00554 <span class="keywordflow">return</span> 0;
<a name="l00555"></a>00555 }
<a name="l00556"></a>00556 <span class="keywordflow">if</span> (addrs != NULL) {
<a name="l00557"></a>00557 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>, <span class="stringliteral">"hostname (resolved okay)\n"</span>));
<a name="l00558"></a>00558 memcpy(&addr->sin6_addr,
<a name="l00559"></a>00559 &((<span class="keyword">struct</span> sockaddr_in6 *) addrs->ai_addr)->sin6_addr,
<a name="l00560"></a>00560 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> in6_addr));
<a name="l00561"></a>00561 freeaddrinfo(addrs);
<a name="l00562"></a>00562 }
<a name="l00563"></a>00563 <span class="keywordflow">else</span> {
<a name="l00564"></a>00564 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>, <span class="stringliteral">"Failed to resolve IPv6 hostname\n"</span>));
<a name="l00565"></a>00565 }
<a name="l00566"></a>00566 <span class="preprocessor">#elif HAVE_GETIPNODEBYNAME</span>
<a name="l00567"></a>00567 <span class="preprocessor"></span> hp = getipnodebyname(peername, AF_INET6, 0, &err);
<a name="l00568"></a>00568 <span class="keywordflow">if</span> (hp == NULL) {
<a name="l00569"></a>00569 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00570"></a>00570 <span class="stringliteral">"hostname (couldn't resolve = %d)\n"</span>, err));
<a name="l00571"></a>00571 free(peername);
<a name="l00572"></a>00572 <span class="keywordflow">return</span> 0;
<a name="l00573"></a>00573 }
<a name="l00574"></a>00574 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>, <span class="stringliteral">"hostname (resolved okay)\n"</span>));
<a name="l00575"></a>00575 memcpy(&(addr->sin6_addr), hp->h_addr, hp->h_length);
<a name="l00576"></a>00576 <span class="preprocessor">#elif HAVE_GETHOSTBYNAME</span>
<a name="l00577"></a>00577 <span class="preprocessor"></span> hp = gethostbyname(peername);
<a name="l00578"></a>00578 <span class="keywordflow">if</span> (hp == NULL) {
<a name="l00579"></a>00579 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00580"></a>00580 <span class="stringliteral">"hostname (couldn't resolve)\n"</span>));
<a name="l00581"></a>00581 free(peername);
<a name="l00582"></a>00582 <span class="keywordflow">return</span> 0;
<a name="l00583"></a>00583 } <span class="keywordflow">else</span> {
<a name="l00584"></a>00584 <span class="keywordflow">if</span> (hp->h_addrtype != AF_INET6) {
<a name="l00585"></a>00585 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00586"></a>00586 <span class="stringliteral">"hostname (not AF_INET6!)\n"</span>));
<a name="l00587"></a>00587 free(peername);
<a name="l00588"></a>00588 <span class="keywordflow">return</span> 0;
<a name="l00589"></a>00589 } <span class="keywordflow">else</span> {
<a name="l00590"></a>00590 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>,
<a name="l00591"></a>00591 <span class="stringliteral">"hostname (resolved okay)\n"</span>));
<a name="l00592"></a>00592 memcpy(&(addr->sin6_addr), hp->h_addr, hp->h_length);
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594 }
<a name="l00595"></a>00595 <span class="preprocessor">#else </span><span class="comment">/*HAVE_GETHOSTBYNAME */</span>
<a name="l00596"></a>00596 <span class="comment">/*</span>
<a name="l00597"></a>00597 <span class="comment"> * There is no name resolving function available. </span>
<a name="l00598"></a>00598 <span class="comment"> */</span>
<a name="l00599"></a>00599 <a class="code" href="group__snmp__logging.html#ga9ba905368ea1c551b969af44b13e37c2" title="This snmp logging function allows variable argument list given the specified format and priority...">snmp_log</a>(LOG_ERR,
<a name="l00600"></a>00600 <span class="stringliteral">"no getaddrinfo()/getipnodebyname()/gethostbyname()\n"</span>);
<a name="l00601"></a>00601 free(peername);
<a name="l00602"></a>00602 <span class="keywordflow">return</span> 0;
<a name="l00603"></a>00603 <span class="preprocessor">#endif </span><span class="comment">/*HAVE_GETHOSTBYNAME */</span>
<a name="l00604"></a>00604 } <span class="keywordflow">else</span> {
<a name="l00605"></a>00605 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>, <span class="stringliteral">"NULL peername"</span>));
<a name="l00606"></a>00606 <span class="keywordflow">return</span> 0;
<a name="l00607"></a>00607 }
<a name="l00608"></a>00608
<a name="l00609"></a>00609 resolved:
<a name="l00610"></a>00610 DEBUGMSGTL((<span class="stringliteral">"netsnmp_sockaddr_in6"</span>, <span class="stringliteral">"return { AF_INET6, [%s]:%hu }\n"</span>,
<a name="l00611"></a>00611 inet_ntop(AF_INET6, &addr->sin6_addr, debug_addr,
<a name="l00612"></a>00612 <span class="keyword">sizeof</span>(debug_addr)), ntohs(addr->sin6_port)));
<a name="l00613"></a>00613 free(peername);
<a name="l00614"></a>00614 <span class="keywordflow">return</span> 1;
<a name="l00615"></a>00615 }
<a name="l00616"></a>00616
<a name="l00617"></a>00617
<a name="l00618"></a>00618 <span class="keywordtype">int</span>
<a name="l00619"></a>00619 netsnmp_sockaddr_in6(<span class="keyword">struct</span> sockaddr_in6 *addr,
<a name="l00620"></a>00620 <span class="keyword">const</span> <span class="keywordtype">char</span> *inpeername, <span class="keywordtype">int</span> remote_port)
<a name="l00621"></a>00621 {
<a name="l00622"></a>00622 <span class="keywordtype">char</span> buf[<span class="keyword">sizeof</span>(remote_port) * 3 + 2];
<a name="l00623"></a>00623 sprintf(buf, <span class="stringliteral">":%u"</span>, remote_port);
<a name="l00624"></a>00624 <span class="keywordflow">return</span> netsnmp_sockaddr_in6_2(addr, inpeername, remote_port ? buf : NULL);
<a name="l00625"></a>00625 }
<a name="l00626"></a>00626
<a name="l00627"></a>00627 <span class="comment">/*</span>
<a name="l00628"></a>00628 <span class="comment"> * int</span>
<a name="l00629"></a>00629 <span class="comment"> * inet_make_mask_addr( int pf, void *dst, int masklength )</span>
<a name="l00630"></a>00630 <span class="comment"> * convert from bit length specified masklength to network format, </span>
<a name="l00631"></a>00631 <span class="comment"> * which fills 1 from until specified bit length.</span>
<a name="l00632"></a>00632 <span class="comment"> * dst is usally the structer of sockaddr_in or sockaddr_in6. </span>
<a name="l00633"></a>00633 <span class="comment"> * makelength must be an interger from 0 to 32 if pf is PF_INET,</span>
<a name="l00634"></a>00634 <span class="comment"> * or from 0 to 128 if pf is PF_INET6.</span>
<a name="l00635"></a>00635 <span class="comment"> * return:</span>
<a name="l00636"></a>00636 <span class="comment"> * 0 if the input data, masklength was valid for </span>
<a name="l00637"></a>00637 <span class="comment"> * the specified protocol family.</span>
<a name="l00638"></a>00638 <span class="comment"> * -1 if the the input data wasn't valid.</span>
<a name="l00639"></a>00639 <span class="comment"> */</span>
<a name="l00640"></a>00640
<a name="l00641"></a>00641 <span class="keywordtype">int</span>
<a name="l00642"></a>00642 inet_make_mask_addr(<span class="keywordtype">int</span> pf, <span class="keywordtype">void</span> *dst, <span class="keywordtype">int</span> masklength)
<a name="l00643"></a>00643 {
<a name="l00644"></a>00644
<a name="l00645"></a>00645 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> Mask = 0;
<a name="l00646"></a>00646 <span class="keywordtype">int</span> maskBit = 0x80000000L;
<a name="l00647"></a>00647 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> mask = 0;
<a name="l00648"></a>00648 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> maskbit = 0x80L;
<a name="l00649"></a>00649 <span class="keywordtype">int</span> i, j, jj;
<a name="l00650"></a>00650
<a name="l00651"></a>00651
<a name="l00652"></a>00652 <span class="keywordflow">switch</span> (pf) {
<a name="l00653"></a>00653 <span class="keywordflow">case</span> PF_INET:
<a name="l00654"></a>00654 <span class="keywordflow">if</span> (masklength < 0 || masklength > 32)
<a name="l00655"></a>00655 <span class="keywordflow">return</span> -1;
<a name="l00656"></a>00656
<a name="l00657"></a>00657 ((<span class="keyword">struct </span>in_addr *) dst)->s_addr = 0;
<a name="l00658"></a>00658
<a name="l00659"></a>00659 <span class="keywordflow">while</span> (masklength--) {
<a name="l00660"></a>00660 Mask |= maskBit;
<a name="l00661"></a>00661 maskBit >>= 1;
<a name="l00662"></a>00662 }
<a name="l00663"></a>00663 ((<span class="keyword">struct </span>in_addr *) dst)->s_addr = htonl(Mask);
<a name="l00664"></a>00664 <span class="keywordflow">break</span>;
<a name="l00665"></a>00665
<a name="l00666"></a>00666 <span class="keywordflow">case</span> PF_INET6:
<a name="l00667"></a>00667 <span class="keywordflow">if</span> (masklength < 0 || masklength > 128)
<a name="l00668"></a>00668 <span class="keywordflow">return</span> -1;
<a name="l00669"></a>00669
<a name="l00670"></a>00670
<a name="l00671"></a>00671 <span class="keywordflow">for</span> (i = 0; i < 16; i++) {
<a name="l00672"></a>00672 (*(u_char *) (&((<span class="keyword">struct</span> in6_addr *) dst)->s6_addr[i])) = 0x00;
<a name="l00673"></a>00673 }
<a name="l00674"></a>00674
<a name="l00675"></a>00675 j = (int) masklength / 8;
<a name="l00676"></a>00676 jj = masklength % 8;
<a name="l00677"></a>00677
<a name="l00678"></a>00678 <span class="keywordflow">for</span> (i = 0; i < j; i++) {
<a name="l00679"></a>00679 (*(u_char *) (&((<span class="keyword">struct</span> in6_addr *) dst)->s6_addr[i])) = 0xff;
<a name="l00680"></a>00680 }
<a name="l00681"></a>00681 <span class="keywordflow">while</span> (jj--) {
<a name="l00682"></a>00682 mask |= maskbit;
<a name="l00683"></a>00683 maskbit >>= 1;
<a name="l00684"></a>00684 }
<a name="l00685"></a>00685 (*(u_char *) (&((<span class="keyword">struct</span> in6_addr *) dst)->s6_addr[j])) = mask;
<a name="l00686"></a>00686 <span class="keywordflow">break</span>;
<a name="l00687"></a>00687 <span class="keywordflow">default</span>:
<a name="l00688"></a>00688 <span class="keywordflow">return</span> -1; <span class="comment">/* unsupported protocol family */</span>
<a name="l00689"></a>00689 }
<a name="l00690"></a>00690 <span class="keywordflow">return</span> 0;
<a name="l00691"></a>00691 }
<a name="l00692"></a>00692
<a name="l00693"></a>00693 <span class="comment">/*</span>
<a name="l00694"></a>00694 <span class="comment"> * int</span>
<a name="l00695"></a>00695 <span class="comment"> * inet_addr_complement( int pf, void *src, void *dst )</span>
<a name="l00696"></a>00696 <span class="comment"> * convert from src to dst, which all bits </span>
<a name="l00697"></a>00697 <span class="comment"> * are bit-compliment of src.</span>
<a name="l00698"></a>00698 <span class="comment"> * Src, dst are ususally sockaddr_in or sockaddr_in6. </span>
<a name="l00699"></a>00699 <span class="comment"> * return:</span>
<a name="l00700"></a>00700 <span class="comment"> * 0 if the input data src and dst have the same size</span>
<a name="l00701"></a>00701 <span class="comment"> * -1 if the the input data wasn't valid.</span>
<a name="l00702"></a>00702 <span class="comment"> */</span>
<a name="l00703"></a>00703
<a name="l00704"></a>00704 <span class="keywordtype">int</span>
<a name="l00705"></a>00705 inet_addr_complement(<span class="keywordtype">int</span> pf, <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dst)
<a name="l00706"></a>00706 {
<a name="l00707"></a>00707
<a name="l00708"></a>00708 <span class="keywordtype">int</span> i;
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <span class="keywordflow">if</span> (<span class="keyword">sizeof</span>(src) != <span class="keyword">sizeof</span>(dst))
<a name="l00711"></a>00711 <span class="keywordflow">return</span> -1;
<a name="l00712"></a>00712
<a name="l00713"></a>00713 <span class="keywordflow">switch</span> (pf) {
<a name="l00714"></a>00714 <span class="keywordflow">case</span> PF_INET:
<a name="l00715"></a>00715 ((<span class="keyword">struct </span>in_addr *) dst)->s_addr =
<a name="l00716"></a>00716 ~((<span class="keyword">struct </span>in_addr *) src)->s_addr;
<a name="l00717"></a>00717 <span class="keywordflow">break</span>;
<a name="l00718"></a>00718 <span class="keywordflow">case</span> PF_INET6:
<a name="l00719"></a>00719 <span class="keywordflow">for</span> (i = 0; i < 16; i++) {
<a name="l00720"></a>00720 (*(u_char *) (&((<span class="keyword">struct</span> in6_addr *) dst)->s6_addr[i])) =
<a name="l00721"></a>00721 (~(*(u_char *) (&((<span class="keyword">struct </span>in6_addr *) src)->s6_addr[i])))
<a name="l00722"></a>00722 & 0xff;
<a name="l00723"></a>00723 }
<a name="l00724"></a>00724 <span class="keywordflow">break</span>;
<a name="l00725"></a>00725 <span class="keywordflow">default</span>:
<a name="l00726"></a>00726 <span class="keywordflow">return</span> -1;
<a name="l00727"></a>00727 }
<a name="l00728"></a>00728 <span class="keywordflow">return</span> 0;
<a name="l00729"></a>00729 }
<a name="l00730"></a>00730
<a name="l00731"></a>00731 <span class="comment">/*</span>
<a name="l00732"></a>00732 <span class="comment"> * int</span>
<a name="l00733"></a>00733 <span class="comment"> * inet_addr_and( int pf, void *src1, void *src2, void *dst) </span>
<a name="l00734"></a>00734 <span class="comment"> * take AND operation on src1 and src2, and output the result to dst.</span>
<a name="l00735"></a>00735 <span class="comment"> * Src1, src2, and dst are ususally sockaddr_in or sockaddr_in6. </span>
<a name="l00736"></a>00736 <span class="comment"> * return:</span>
<a name="l00737"></a>00737 <span class="comment"> * 0 if the input data src and dst have the same size</span>
<a name="l00738"></a>00738 <span class="comment"> * -1 if the the input data are not the same size</span>
<a name="l00739"></a>00739 <span class="comment"> */</span>
<a name="l00740"></a>00740
<a name="l00741"></a>00741 <span class="keywordtype">int</span>
<a name="l00742"></a>00742 inet_addr_and(<span class="keywordtype">int</span> pf, <span class="keywordtype">void</span> *src1, <span class="keywordtype">void</span> *src2, <span class="keywordtype">void</span> *dst)
<a name="l00743"></a>00743 {
<a name="l00744"></a>00744 <span class="keywordtype">int</span> i;
<a name="l00745"></a>00745
<a name="l00746"></a>00746 <span class="keywordflow">if</span> (<span class="keyword">sizeof</span>(src1) != <span class="keyword">sizeof</span>(src2) || <span class="keyword">sizeof</span>(src2) != <span class="keyword">sizeof</span>(dst))
<a name="l00747"></a>00747 <span class="keywordflow">return</span> -1;
<a name="l00748"></a>00748
<a name="l00749"></a>00749 <span class="keywordflow">switch</span> (pf) {
<a name="l00750"></a>00750 <span class="keywordflow">case</span> PF_INET:
<a name="l00751"></a>00751 ((<span class="keyword">struct </span>in_addr *) dst)->s_addr =
<a name="l00752"></a>00752 ((<span class="keyword">struct </span>in_addr *) src1)->s_addr & ((<span class="keyword">struct </span>in_addr *) src2)->
<a name="l00753"></a>00753 s_addr;
<a name="l00754"></a>00754 <span class="keywordflow">break</span>;
<a name="l00755"></a>00755
<a name="l00756"></a>00756 <span class="keywordflow">case</span> PF_INET6:
<a name="l00757"></a>00757 <span class="keywordflow">for</span> (i = 0; i < 16; i++) {
<a name="l00758"></a>00758 (*(u_char *) (&((<span class="keyword">struct</span> in6_addr *) dst)->s6_addr[i])) =
<a name="l00759"></a>00759 (*(u_char *) (&((<span class="keyword">struct </span>in6_addr *) src1)->s6_addr[i])) &
<a name="l00760"></a>00760 (*(u_char *) (&((<span class="keyword">struct</span> in6_addr *) src2)->s6_addr[i]));
<a name="l00761"></a>00761 }
<a name="l00762"></a>00762 <span class="keywordflow">break</span>;
<a name="l00763"></a>00763 <span class="keywordflow">default</span>:
<a name="l00764"></a>00764 <span class="keywordflow">return</span> -1;
<a name="l00765"></a>00765 }
<a name="l00766"></a>00766 <span class="keywordflow">return</span> 0;
<a name="l00767"></a>00767 }
<a name="l00768"></a>00768
<a name="l00769"></a>00769
<a name="l00770"></a>00770 <span class="comment">/*</span>
<a name="l00771"></a>00771 <span class="comment"> * int</span>
<a name="l00772"></a>00772 <span class="comment"> * inet_addrs_consistence (int pf, void *net, void *mask ) </span>
<a name="l00773"></a>00773 <span class="comment"> * This function checks if the network address net is consistent</span>
<a name="l00774"></a>00774 <span class="comment"> * with the netmask address, mask.</span>
<a name="l00775"></a>00775 <span class="comment"> * Net and mask are ususally sockaddr_in or sockaddr_in6. </span>
<a name="l00776"></a>00776 <span class="comment"> * Note:</span>
<a name="l00777"></a>00777 <span class="comment"> * Must spefiey protocol family in pf.</span>
<a name="l00778"></a>00778 <span class="comment"> * return:</span>
<a name="l00779"></a>00779 <span class="comment"> * 0 if there is no consistence with address "net" and "mask".</span>
<a name="l00780"></a>00780 <span class="comment"> * -1 if network address is inconsistent with netmask address, for </span>
<a name="l00781"></a>00781 <span class="comment"> * instance, network address is 192.168.0.128 in spite of netmask, </span>
<a name="l00782"></a>00782 <span class="comment"> * which is 255.255.255.0. </span>
<a name="l00783"></a>00783 <span class="comment"> * The case that the size of net and mask are different also returns -1.</span>
<a name="l00784"></a>00784 <span class="comment"> */</span>
<a name="l00785"></a>00785
<a name="l00786"></a>00786 <span class="keywordtype">int</span>
<a name="l00787"></a>00787 inet_addrs_consistence(<span class="keywordtype">int</span> pf, <span class="keywordtype">void</span> *net, <span class="keywordtype">void</span> *mask)
<a name="l00788"></a>00788 {
<a name="l00789"></a>00789 <span class="keyword">struct </span>sockaddr_in *tmp, *dst;
<a name="l00790"></a>00790 <span class="keyword">struct </span>sockaddr_in6 *tmp6, *dst6;
<a name="l00791"></a>00791 <span class="keywordtype">int</span> ret;
<a name="l00792"></a>00792
<a name="l00793"></a>00793 <span class="keywordflow">switch</span> (pf) {
<a name="l00794"></a>00794 <span class="keywordflow">case</span> PF_INET:
<a name="l00795"></a>00795 tmp = (<span class="keyword">struct </span>sockaddr_in *) malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in));
<a name="l00796"></a>00796 <span class="keywordflow">if</span> (!tmp) {
<a name="l00797"></a>00797 config_perror(<span class="stringliteral">"Resource failure in inet_addr_consistence()"</span>);
<a name="l00798"></a>00798 <span class="keywordflow">return</span> -1;
<a name="l00799"></a>00799 }
<a name="l00800"></a>00800 memset(tmp, 0, <span class="keyword">sizeof</span>(*tmp));
<a name="l00801"></a>00801 tmp->sin_family = PF_INET;
<a name="l00802"></a>00802 <span class="keywordflow">if</span> (inet_addr_complement
<a name="l00803"></a>00803 (PF_INET, (<span class="keyword">struct</span> in_addr *) mask, &tmp->sin_addr) != 0) {
<a name="l00804"></a>00804 config_perror(<span class="stringliteral">"Fail in function of inet_addr_complement()"</span>);
<a name="l00805"></a>00805 free(tmp);
<a name="l00806"></a>00806 <span class="keywordflow">return</span> -1;
<a name="l00807"></a>00807 }
<a name="l00808"></a>00808 dst = (<span class="keyword">struct </span>sockaddr_in *) malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in));
<a name="l00809"></a>00809 <span class="keywordflow">if</span> (!dst) {
<a name="l00810"></a>00810 config_perror(<span class="stringliteral">"Resource failure in inet_addr_consistence()"</span>);
<a name="l00811"></a>00811 free(tmp);
<a name="l00812"></a>00812 <span class="keywordflow">return</span> -1;
<a name="l00813"></a>00813 }
<a name="l00814"></a>00814 memset(dst, 0, <span class="keyword">sizeof</span>(*dst));
<a name="l00815"></a>00815 dst->sin_family = PF_INET;
<a name="l00816"></a>00816 <span class="keywordflow">if</span> (inet_addr_and
<a name="l00817"></a>00817 (PF_INET, (<span class="keyword">struct</span> in_addr *) net, &tmp->sin_addr,
<a name="l00818"></a>00818 &dst->sin_addr) != 0) {
<a name="l00819"></a>00819 config_perror(<span class="stringliteral">"Fail in function of inet_addr_and()"</span>);
<a name="l00820"></a>00820 free(dst);
<a name="l00821"></a>00821 free(tmp);
<a name="l00822"></a>00822 <span class="keywordflow">return</span> -1;
<a name="l00823"></a>00823 }
<a name="l00824"></a>00824 ret = ((dst->sin_addr.s_addr == INADDR_ANY) ? 0 : -1);
<a name="l00825"></a>00825 free(dst);
<a name="l00826"></a>00826 free(tmp);
<a name="l00827"></a>00827 <span class="keywordflow">break</span>;
<a name="l00828"></a>00828 <span class="keywordflow">case</span> PF_INET6:
<a name="l00829"></a>00829 tmp6 = (<span class="keyword">struct </span>sockaddr_in6 *) malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00830"></a>00830 <span class="keywordflow">if</span> (!tmp6) {
<a name="l00831"></a>00831 config_perror(<span class="stringliteral">"Resource failure in inet_addr_consistence()"</span>);
<a name="l00832"></a>00832 <span class="keywordflow">return</span> -1;
<a name="l00833"></a>00833 }
<a name="l00834"></a>00834 memset(tmp6, 0, <span class="keyword">sizeof</span>(*tmp6));
<a name="l00835"></a>00835 tmp6->sin6_family = PF_INET6;
<a name="l00836"></a>00836 <span class="keywordflow">if</span> (inet_addr_complement
<a name="l00837"></a>00837 (PF_INET6, (<span class="keyword">struct</span> in6_addr *) mask, &tmp6->sin6_addr) != 0) {
<a name="l00838"></a>00838 config_perror(<span class="stringliteral">"Fail in function of inet_addr_complement()"</span>);
<a name="l00839"></a>00839 free(tmp6);
<a name="l00840"></a>00840 <span class="keywordflow">return</span> -1;
<a name="l00841"></a>00841 }
<a name="l00842"></a>00842 dst6 = (<span class="keyword">struct </span>sockaddr_in6 *) malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l00843"></a>00843 <span class="keywordflow">if</span> (!dst6) {
<a name="l00844"></a>00844 config_perror(<span class="stringliteral">"Resource failure in inet_addr_consistence()"</span>);
<a name="l00845"></a>00845 free(tmp6);
<a name="l00846"></a>00846 <span class="keywordflow">return</span> -1;
<a name="l00847"></a>00847 }
<a name="l00848"></a>00848 memset(dst6, 0, <span class="keyword">sizeof</span>(*dst6));
<a name="l00849"></a>00849 dst6->sin6_family = PF_INET6;
<a name="l00850"></a>00850 <span class="keywordflow">if</span> (inet_addr_and
<a name="l00851"></a>00851 (PF_INET6, (<span class="keyword">struct</span> in6_addr *) net, &tmp6->sin6_addr,
<a name="l00852"></a>00852 &dst6->sin6_addr)) {
<a name="l00853"></a>00853 config_perror(<span class="stringliteral">"Fail in function of inet_addr_and()"</span>);
<a name="l00854"></a>00854 free(dst6);
<a name="l00855"></a>00855 free(tmp6);
<a name="l00856"></a>00856 <span class="keywordflow">return</span> -1;
<a name="l00857"></a>00857 }
<a name="l00858"></a>00858 ret = (IN6_IS_ADDR_UNSPECIFIED(&dst6->sin6_addr) == 1 ? 0 : -1);
<a name="l00859"></a>00859 free(dst6);
<a name="l00860"></a>00860 free(tmp6);
<a name="l00861"></a>00861 <span class="keywordflow">break</span>;
<a name="l00862"></a>00862 <span class="keywordflow">default</span>:
<a name="l00863"></a>00863 <span class="keywordflow">return</span> -1;
<a name="l00864"></a>00864 }
<a name="l00865"></a>00865 <span class="keywordflow">return</span> ret;
<a name="l00866"></a>00866 }
<a name="l00867"></a>00867
<a name="l00868"></a>00868 <span class="comment">/*</span>
<a name="l00869"></a>00869 <span class="comment"> * int</span>
<a name="l00870"></a>00870 <span class="comment"> * masked_address_are_equal (pf, from, mask, network) </span>
<a name="l00871"></a>00871 <span class="comment"> * This function takes AND operation on address "from" and "mask",</span>
<a name="l00872"></a>00872 <span class="comment"> * and check the result is equal to address "network". </span>
<a name="l00873"></a>00873 <span class="comment"> * From, net and mask are ususally sockaddr_in or sockaddr_in6. </span>
<a name="l00874"></a>00874 <span class="comment"> * Note:</span>
<a name="l00875"></a>00875 <span class="comment"> * Must spefiey protocol family in pf.</span>
<a name="l00876"></a>00876 <span class="comment"> * return:</span>
<a name="l00877"></a>00877 <span class="comment"> * 0 if address "from" masked by address "mask" is eqaul to </span>
<a name="l00878"></a>00878 <span class="comment"> * address "network". </span>
<a name="l00879"></a>00879 <span class="comment"> * -1 if address "from" masked by address "mask" isn't eqaul to </span>
<a name="l00880"></a>00880 <span class="comment"> * address "network". For instance, address "from" is </span>
<a name="l00881"></a>00881 <span class="comment"> * 192.168.0.129 and "mask" is 255.255.255.128. Then, masked </span>
<a name="l00882"></a>00882 <span class="comment"> * address is 192.168.0.128. If address "network" is 192.168.0.128,</span>
<a name="l00883"></a>00883 <span class="comment"> * return 0, otherwise -1.</span>
<a name="l00884"></a>00884 <span class="comment"> * Also retunn -1 if each address family of from, mask, network</span>
<a name="l00885"></a>00885 <span class="comment"> * isn't the same.</span>
<a name="l00886"></a>00886 <span class="comment"> */</span>
<a name="l00887"></a>00887
<a name="l00888"></a>00888 <span class="keywordtype">int</span>
<a name="l00889"></a>00889 masked_address_are_equal(<span class="keywordtype">int</span> af, <span class="keyword">struct</span> sockaddr_storage *from,
<a name="l00890"></a>00890 <span class="keyword">struct</span> sockaddr_storage *mask,
<a name="l00891"></a>00891 <span class="keyword">struct</span> sockaddr_storage *network)
<a name="l00892"></a>00892 {
<a name="l00893"></a>00893
<a name="l00894"></a>00894 <span class="keyword">struct </span>sockaddr_storage ss;
<a name="l00895"></a>00895 memset(&ss, 0, <span class="keyword">sizeof</span>(ss));
<a name="l00896"></a>00896
<a name="l00897"></a>00897 <span class="keywordflow">switch</span> (af) {
<a name="l00898"></a>00898 <span class="keywordflow">case</span> PF_INET:
<a name="l00899"></a>00899 <span class="keywordflow">if</span> (mask->SS_FAMILY != PF_INET || network->SS_FAMILY != PF_INET) {
<a name="l00900"></a>00900 <span class="keywordflow">return</span> -1;
<a name="l00901"></a>00901 }
<a name="l00902"></a>00902 ss.SS_FAMILY = PF_INET;
<a name="l00903"></a>00903 inet_addr_and(PF_INET,
<a name="l00904"></a>00904 &((<span class="keyword">struct</span> sockaddr_in *) from)->sin_addr,
<a name="l00905"></a>00905 &((<span class="keyword">struct</span> sockaddr_in *) mask)->sin_addr,
<a name="l00906"></a>00906 &((<span class="keyword">struct</span> sockaddr_in *) &ss)->sin_addr);
<a name="l00907"></a>00907 <span class="keywordflow">if</span> (((<span class="keyword">struct</span> sockaddr_in *) &ss)->sin_addr.s_addr ==
<a name="l00908"></a>00908 ((<span class="keyword">struct</span> sockaddr_in *) network)->sin_addr.s_addr) {
<a name="l00909"></a>00909 <span class="keywordflow">return</span> 0;
<a name="l00910"></a>00910 } <span class="keywordflow">else</span> {
<a name="l00911"></a>00911 <span class="keywordflow">return</span> -1;
<a name="l00912"></a>00912 }
<a name="l00913"></a>00913 <span class="keywordflow">break</span>;
<a name="l00914"></a>00914 <span class="keywordflow">case</span> PF_INET6:
<a name="l00915"></a>00915 <span class="keywordflow">if</span> (mask->SS_FAMILY != PF_INET6 || network->SS_FAMILY != PF_INET6) {
<a name="l00916"></a>00916 <span class="keywordflow">return</span> -1;
<a name="l00917"></a>00917 }
<a name="l00918"></a>00918 ss.SS_FAMILY = PF_INET6;
<a name="l00919"></a>00919 inet_addr_and(PF_INET6,
<a name="l00920"></a>00920 &((<span class="keyword">struct</span> sockaddr_in6 *) from)->sin6_addr,
<a name="l00921"></a>00921 &((<span class="keyword">struct</span> sockaddr_in6 *) mask)->sin6_addr,
<a name="l00922"></a>00922 &((<span class="keyword">struct</span> sockaddr_in6 *) &ss)->sin6_addr);
<a name="l00923"></a>00923 <span class="preprocessor">#ifndef IN6_ARE_ADDR_EQUAL</span>
<a name="l00924"></a>00924 <span class="preprocessor"></span><span class="preprocessor">#define IN6_ARE_ADDR_EQUAL(a,b) IN6_ADDR_EQUAL(a,b)</span>
<a name="l00925"></a>00925 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00926"></a>00926 <span class="preprocessor"></span> <span class="keywordflow">if</span> (IN6_ARE_ADDR_EQUAL(&((<span class="keyword">struct</span> sockaddr_in6 *) &ss)->sin6_addr,
<a name="l00927"></a>00927 &((<span class="keyword">struct</span> sockaddr_in6 *) network)->
<a name="l00928"></a>00928 sin6_addr) == 1) {
<a name="l00929"></a>00929 <span class="keywordflow">return</span> 0;
<a name="l00930"></a>00930 } <span class="keywordflow">else</span> {
<a name="l00931"></a>00931 <span class="keywordflow">return</span> -1;
<a name="l00932"></a>00932 }
<a name="l00933"></a>00933 <span class="keywordflow">break</span>;
<a name="l00934"></a>00934 <span class="keywordflow">default</span>:
<a name="l00935"></a>00935 <span class="keywordflow">return</span> -1;
<a name="l00936"></a>00936 }
<a name="l00937"></a>00937 }
<a name="l00938"></a>00938
<a name="l00939"></a>00939 <span class="preprocessor">#if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C)</span>
<a name="l00940"></a>00940 <span class="preprocessor"></span><span class="comment">/*</span>
<a name="l00941"></a>00941 <span class="comment"> * The following functions provide the "com2sec6" configuration token</span>
<a name="l00942"></a>00942 <span class="comment"> * functionality for compatibility. </span>
<a name="l00943"></a>00943 <span class="comment"> */</span>
<a name="l00944"></a>00944
<a name="l00945"></a>00945 <span class="preprocessor">#define EXAMPLE_NETWORK "NETWORK"</span>
<a name="l00946"></a>00946 <span class="preprocessor"></span><span class="preprocessor">#define EXAMPLE_COMMUNITY "COMMUNITY"</span>
<a name="l00947"></a>00947 <span class="preprocessor"></span>
<a name="l00948"></a>00948 <span class="keyword">typedef</span> <span class="keyword">struct </span>_com2Sec6Entry {
<a name="l00949"></a>00949 <span class="keywordtype">char</span> community[COMMUNITY_MAX_LEN];
<a name="l00950"></a>00950 <span class="keyword">struct </span>sockaddr_in6 network;
<a name="l00951"></a>00951 <span class="keyword">struct </span>sockaddr_in6 mask;
<a name="l00952"></a>00952 <span class="keywordtype">char</span> secName[VACMSTRINGLEN];
<a name="l00953"></a>00953 <span class="keywordtype">char</span> contextName[VACMSTRINGLEN];
<a name="l00954"></a>00954 <span class="keyword">struct </span>_com2Sec6Entry *next;
<a name="l00955"></a>00955 } com2Sec6Entry;
<a name="l00956"></a>00956
<a name="l00957"></a>00957 com2Sec6Entry *com2Sec6List = NULL, *com2Sec6ListLast = NULL;
<a name="l00958"></a>00958
<a name="l00959"></a>00959
<a name="l00960"></a>00960 <span class="keywordtype">void</span>
<a name="l00961"></a>00961 memmove_com2Sec6Entry(com2Sec6Entry * c,
<a name="l00962"></a>00962 <span class="keywordtype">char</span> *secName,
<a name="l00963"></a>00963 <span class="keywordtype">char</span> *community,
<a name="l00964"></a>00964 <span class="keyword">struct</span> sockaddr_in6 net, <span class="keyword">struct</span> sockaddr_in6 mask,
<a name="l00965"></a>00965 <span class="keywordtype">char</span> *contextName)
<a name="l00966"></a>00966 {
<a name="l00967"></a>00967 snprintf(c->secName, strlen(secName) + 1, <span class="stringliteral">"%s"</span>, secName);
<a name="l00968"></a>00968 snprintf(c->contextName, strlen(contextName) + 1, <span class="stringliteral">"%s"</span>, contextName);
<a name="l00969"></a>00969 snprintf(c->community, strlen(community) + 1, <span class="stringliteral">"%s"</span>, community);
<a name="l00970"></a>00970 memmove(&c->network, &net, <span class="keyword">sizeof</span>(net));
<a name="l00971"></a>00971 memmove(&c->mask, &mask, <span class="keyword">sizeof</span>(mask));
<a name="l00972"></a>00972 c->next = NULL;
<a name="l00973"></a>00973 }
<a name="l00974"></a>00974
<a name="l00975"></a>00975
<a name="l00976"></a>00976 <span class="preprocessor">#ifndef IPV6_STRING_LEN</span>
<a name="l00977"></a>00977 <span class="preprocessor"></span><span class="preprocessor">#define IPV6_STRING_LEN 55</span>
<a name="l00978"></a>00978 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00979"></a>00979 <span class="preprocessor"></span>
<a name="l00980"></a>00980 <span class="keywordtype">void</span>
<a name="l00981"></a>00981 netsnmp_udp6_parse_security(<span class="keyword">const</span> <span class="keywordtype">char</span> *token, <span class="keywordtype">char</span> *param)
<a name="l00982"></a>00982 {
<a name="l00983"></a>00983 <span class="keywordtype">char</span> secName[VACMSTRINGLEN];
<a name="l00984"></a>00984 <span class="keywordtype">char</span> contextName[VACMSTRINGLEN];
<a name="l00985"></a>00985 <span class="keywordtype">char</span> community[COMMUNITY_MAX_LEN];
<a name="l00986"></a>00986 <span class="keywordtype">char</span> source[IPV6_STRING_LEN];
<a name="l00987"></a>00987 <span class="keywordtype">char</span> *cp = NULL, *strnetwork = NULL, *strmask = NULL;
<a name="l00988"></a>00988 com2Sec6Entry *e = NULL;
<a name="l00989"></a>00989 <span class="keyword">struct </span>sockaddr_in6 net, mask;
<a name="l00990"></a>00990 <span class="keyword">struct </span>sockaddr_in tmp;
<a name="l00991"></a>00991
<a name="l00992"></a>00992 memset(&net, 0, <span class="keyword">sizeof</span>(net));
<a name="l00993"></a>00993 memset(&mask, 0, <span class="keyword">sizeof</span>(mask));
<a name="l00994"></a>00994 memset(&tmp, 0, <span class="keyword">sizeof</span>(tmp));
<a name="l00995"></a>00995 net.sin6_family = AF_INET6;
<a name="l00996"></a>00996 mask.sin6_family = AF_INET6;
<a name="l00997"></a>00997 tmp.sin_family = AF_INET;
<a name="l00998"></a>00998
<a name="l00999"></a>00999
<a name="l01000"></a>01000 <span class="comment">/*</span>
<a name="l01001"></a>01001 <span class="comment"> * Get security, source address/netmask and community strings. </span>
<a name="l01002"></a>01002 <span class="comment"> */</span>
<a name="l01003"></a>01003 cp = copy_nword( param, secName, <span class="keyword">sizeof</span>(secName));
<a name="l01004"></a>01004 <span class="keywordflow">if</span> (strcmp(secName, <span class="stringliteral">"-Cn"</span>) == 0) {
<a name="l01005"></a>01005 <span class="keywordflow">if</span> (!cp) {
<a name="l01006"></a>01006 config_perror(<span class="stringliteral">"missing CONTEXT_NAME parameter"</span>);
<a name="l01007"></a>01007 <span class="keywordflow">return</span>;
<a name="l01008"></a>01008 }
<a name="l01009"></a>01009 cp = copy_nword( cp, contextName, <span class="keyword">sizeof</span>(contextName));
<a name="l01010"></a>01010 cp = copy_nword( cp, secName, <span class="keyword">sizeof</span>(secName));
<a name="l01011"></a>01011 } <span class="keywordflow">else</span> {
<a name="l01012"></a>01012 contextName[0] = <span class="charliteral">'\0'</span>;
<a name="l01013"></a>01013 }
<a name="l01014"></a>01014 <span class="keywordflow">if</span> (secName[0] == <span class="charliteral">'\0'</span>) {
<a name="l01015"></a>01015 config_perror(<span class="stringliteral">"missing NAME parameter"</span>);
<a name="l01016"></a>01016 <span class="keywordflow">return</span>;
<a name="l01017"></a>01017 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strlen(secName) > (VACMSTRINGLEN - 1)) {
<a name="l01018"></a>01018 config_perror(<span class="stringliteral">"security name too long"</span>);
<a name="l01019"></a>01019 <span class="keywordflow">return</span>;
<a name="l01020"></a>01020 }
<a name="l01021"></a>01021 cp = copy_nword( cp, source, <span class="keyword">sizeof</span>(source));
<a name="l01022"></a>01022 <span class="keywordflow">if</span> (source[0] == <span class="charliteral">'\0'</span>) {
<a name="l01023"></a>01023 config_perror(<span class="stringliteral">"missing SOURCE parameter"</span>);
<a name="l01024"></a>01024 <span class="keywordflow">return</span>;
<a name="l01025"></a>01025 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncmp(source, EXAMPLE_NETWORK, strlen(EXAMPLE_NETWORK)) ==
<a name="l01026"></a>01026 0) {
<a name="l01027"></a>01027 config_perror(<span class="stringliteral">"example config NETWORK not properly configured"</span>);
<a name="l01028"></a>01028 <span class="keywordflow">return</span>;
<a name="l01029"></a>01029 }
<a name="l01030"></a>01030 cp = copy_nword( cp, community, <span class="keyword">sizeof</span>(community));
<a name="l01031"></a>01031 <span class="keywordflow">if</span> (community[0] == <span class="charliteral">'\0'</span>) {
<a name="l01032"></a>01032 config_perror(<span class="stringliteral">"missing COMMUNITY parameter\n"</span>);
<a name="l01033"></a>01033 <span class="keywordflow">return</span>;
<a name="l01034"></a>01034 } <span class="keywordflow">else</span>
<a name="l01035"></a>01035 <span class="keywordflow">if</span> (strncmp
<a name="l01036"></a>01036 (community, EXAMPLE_COMMUNITY, strlen(EXAMPLE_COMMUNITY))
<a name="l01037"></a>01037 == 0) {
<a name="l01038"></a>01038 config_perror(<span class="stringliteral">"example config COMMUNITY not properly configured"</span>);
<a name="l01039"></a>01039 <span class="keywordflow">return</span>;
<a name="l01040"></a>01040 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strlen(community) > (COMMUNITY_MAX_LEN - 1)) {
<a name="l01041"></a>01041 config_perror(<span class="stringliteral">"community name too long"</span>);
<a name="l01042"></a>01042 <span class="keywordflow">return</span>;
<a name="l01043"></a>01043 }
<a name="l01044"></a>01044
<a name="l01045"></a>01045 <span class="comment">/*</span>
<a name="l01046"></a>01046 <span class="comment"> * Process the source address/netmask string. </span>
<a name="l01047"></a>01047 <span class="comment"> */</span>
<a name="l01048"></a>01048 cp = strchr(source, <span class="charliteral">'/'</span>);
<a name="l01049"></a>01049 <span class="keywordflow">if</span> (cp != NULL) {
<a name="l01050"></a>01050 <span class="comment">/*</span>
<a name="l01051"></a>01051 <span class="comment"> * Mask given. </span>
<a name="l01052"></a>01052 <span class="comment"> */</span>
<a name="l01053"></a>01053 *cp = <span class="charliteral">'\0'</span>;
<a name="l01054"></a>01054 strmask = cp + 1;
<a name="l01055"></a>01055 }
<a name="l01056"></a>01056
<a name="l01057"></a>01057 <span class="comment">/*</span>
<a name="l01058"></a>01058 <span class="comment"> * Deal with the network part first. </span>
<a name="l01059"></a>01059 <span class="comment"> */</span>
<a name="l01060"></a>01060 <span class="keywordflow">if</span> ((strcmp(source, <span class="stringliteral">"default"</span>) == 0) || (strcmp(source, <span class="stringliteral">"::"</span>) == 0)) {
<a name="l01061"></a>01061 strnetwork = strdup(<span class="stringliteral">"0::0"</span>);
<a name="l01062"></a>01062 strmask = strdup(<span class="stringliteral">"0::0"</span>);
<a name="l01063"></a>01063
<a name="l01064"></a>01064 inet_pton(AF_INET6, strnetwork, &net.sin6_addr);
<a name="l01065"></a>01065 inet_pton(AF_INET6, strmask, &mask.sin6_addr);
<a name="l01066"></a>01066
<a name="l01067"></a>01067 e = (com2Sec6Entry *) malloc(<span class="keyword">sizeof</span>(com2Sec6Entry));
<a name="l01068"></a>01068 <span class="keywordflow">if</span> (e == NULL) {
<a name="l01069"></a>01069 config_perror(<span class="stringliteral">"memory error"</span>);
<a name="l01070"></a>01070 <span class="keywordflow">return</span>;
<a name="l01071"></a>01071 }
<a name="l01072"></a>01072 <span class="comment">/*</span>
<a name="l01073"></a>01073 <span class="comment"> * Everything is okay. Copy the parameters to the structure allocated</span>
<a name="l01074"></a>01074 <span class="comment"> * above and add it to END of the list. </span>
<a name="l01075"></a>01075 <span class="comment"> */</span>
<a name="l01076"></a>01076 <span class="keywordflow">if</span> (strmask != NULL && strnetwork != NULL) {
<a name="l01077"></a>01077 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_parse_security"</span>,
<a name="l01078"></a>01078 <span class="stringliteral">"<\"%s\", %s/%s> => \"%s\"\n"</span>, community,
<a name="l01079"></a>01079 strnetwork, strmask, secName));
<a name="l01080"></a>01080 free(strmask);
<a name="l01081"></a>01081 free(strnetwork);
<a name="l01082"></a>01082 } <span class="keywordflow">else</span> {
<a name="l01083"></a>01083 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_parse_security"</span>,
<a name="l01084"></a>01084 <span class="stringliteral">"Couldn't allocate enough memory\n"</span>));
<a name="l01085"></a>01085 }
<a name="l01086"></a>01086 memmove_com2Sec6Entry(e, secName, community, net, mask, contextName);
<a name="l01087"></a>01087 <span class="keywordflow">if</span> (com2Sec6ListLast != NULL) {
<a name="l01088"></a>01088 com2Sec6ListLast->next = e;
<a name="l01089"></a>01089 com2Sec6ListLast = e;
<a name="l01090"></a>01090 } <span class="keywordflow">else</span> {
<a name="l01091"></a>01091 com2Sec6ListLast = com2Sec6List = e;
<a name="l01092"></a>01092 }
<a name="l01093"></a>01093
<a name="l01094"></a>01094 } <span class="keywordflow">else</span> {
<a name="l01095"></a>01095 <span class="comment">/*</span>
<a name="l01096"></a>01096 <span class="comment"> * Try interpreting as IPv6 address. </span>
<a name="l01097"></a>01097 <span class="comment"> */</span>
<a name="l01098"></a>01098 <span class="keywordflow">if</span> (inet_pton(AF_INET6, source, &net.sin6_addr) == 1) {
<a name="l01099"></a>01099 <span class="keywordflow">if</span> (strmask == NULL || *strmask == <span class="charliteral">'\0'</span>) {
<a name="l01100"></a>01100 inet_make_mask_addr(PF_INET6, &mask.sin6_addr, 128);
<a name="l01101"></a>01101 } <span class="keywordflow">else</span> {
<a name="l01102"></a>01102 <span class="keywordflow">if</span> (strchr(strmask, <span class="charliteral">':'</span>)) {
<a name="l01103"></a>01103 <span class="keywordflow">if</span> (inet_pton(PF_INET6, strmask, &net.sin6_addr) != 1) {
<a name="l01104"></a>01104 config_perror(<span class="stringliteral">"bad mask"</span>);
<a name="l01105"></a>01105 <span class="keywordflow">return</span>;
<a name="l01106"></a>01106 }
<a name="l01107"></a>01107 } <span class="keywordflow">else</span> {
<a name="l01108"></a>01108 <span class="keywordflow">if</span> (inet_make_mask_addr
<a name="l01109"></a>01109 (PF_INET6, &mask.sin6_addr, atoi(strmask)) != 0) {
<a name="l01110"></a>01110 config_perror(<span class="stringliteral">"bad mask"</span>);
<a name="l01111"></a>01111 <span class="keywordflow">return</span>;
<a name="l01112"></a>01112
<a name="l01113"></a>01113 }
<a name="l01114"></a>01114 }
<a name="l01115"></a>01115 }
<a name="l01116"></a>01116 <span class="comment">/*</span>
<a name="l01117"></a>01117 <span class="comment"> * Check that the network and mask are consistent. </span>
<a name="l01118"></a>01118 <span class="comment"> */</span>
<a name="l01119"></a>01119 <span class="keywordflow">if</span> (inet_addrs_consistence
<a name="l01120"></a>01120 (PF_INET6, &net.sin6_addr, &mask.sin6_addr) != 0) {
<a name="l01121"></a>01121 config_perror(<span class="stringliteral">"source/mask mismatch"</span>);
<a name="l01122"></a>01122 <span class="keywordflow">return</span>;
<a name="l01123"></a>01123 }
<a name="l01124"></a>01124
<a name="l01125"></a>01125 e = (com2Sec6Entry *) malloc(<span class="keyword">sizeof</span>(com2Sec6Entry));
<a name="l01126"></a>01126 <span class="keywordflow">if</span> (e == NULL) {
<a name="l01127"></a>01127 config_perror(<span class="stringliteral">"memory error"</span>);
<a name="l01128"></a>01128 <span class="keywordflow">return</span>;
<a name="l01129"></a>01129 }
<a name="l01130"></a>01130
<a name="l01131"></a>01131 <span class="comment">/*</span>
<a name="l01132"></a>01132 <span class="comment"> * Everything is okay. Copy the parameters to the structure allocated</span>
<a name="l01133"></a>01133 <span class="comment"> * above and add it to END of the list. </span>
<a name="l01134"></a>01134 <span class="comment"> */</span>
<a name="l01135"></a>01135 <span class="keywordflow">if</span> (strmask != NULL && strnetwork != NULL) {
<a name="l01136"></a>01136 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_parse_security"</span>,
<a name="l01137"></a>01137 <span class="stringliteral">"<\"%s\", %s/%s> => \"%s\"\n"</span>, community,
<a name="l01138"></a>01138 strnetwork, strmask, secName));
<a name="l01139"></a>01139 free(strmask);
<a name="l01140"></a>01140 free(strnetwork);
<a name="l01141"></a>01141 } <span class="keywordflow">else</span> {
<a name="l01142"></a>01142 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_parse_security"</span>,
<a name="l01143"></a>01143 <span class="stringliteral">"Couldn't allocate enough memory\n"</span>));
<a name="l01144"></a>01144 }
<a name="l01145"></a>01145 memmove_com2Sec6Entry(e, secName, community, net, mask,
<a name="l01146"></a>01146 contextName);
<a name="l01147"></a>01147 <span class="keywordflow">if</span> (com2Sec6ListLast != NULL) {
<a name="l01148"></a>01148 com2Sec6ListLast->next = e;
<a name="l01149"></a>01149 com2Sec6ListLast = e;
<a name="l01150"></a>01150 } <span class="keywordflow">else</span> {
<a name="l01151"></a>01151 com2Sec6ListLast = com2Sec6List = e;
<a name="l01152"></a>01152 }
<a name="l01153"></a>01153
<a name="l01154"></a>01154 <span class="preprocessor">#if HAVE_GETADDRINFO</span>
<a name="l01155"></a>01155 <span class="preprocessor"></span>
<a name="l01156"></a>01156 } <span class="keywordflow">else</span> {
<a name="l01157"></a>01157 <span class="comment">/*</span>
<a name="l01158"></a>01158 <span class="comment"> * Nope, Must be a hostname. </span>
<a name="l01159"></a>01159 <span class="comment"> */</span>
<a name="l01160"></a>01160 <span class="keyword">struct </span>addrinfo hints, *ai, *res;
<a name="l01161"></a>01161 <span class="keywordtype">char</span> hbuf[NI_MAXHOST];
<a name="l01162"></a>01162 <span class="keywordtype">int</span> gai_error;
<a name="l01163"></a>01163
<a name="l01164"></a>01164 memset(&hints, 0, <span class="keyword">sizeof</span>(hints));
<a name="l01165"></a>01165 hints.ai_family = PF_INET6;
<a name="l01166"></a>01166 hints.ai_socktype = SOCK_DGRAM;
<a name="l01167"></a>01167 <span class="keywordflow">if</span> ((gai_error = getaddrinfo(source, NULL, &hints, &res)) != 0) {
<a name="l01168"></a>01168 config_perror(gai_strerror(gai_error));
<a name="l01169"></a>01169 <span class="keywordflow">return</span>;
<a name="l01170"></a>01170 }
<a name="l01171"></a>01171
<a name="l01172"></a>01172 <span class="keywordflow">for</span> (ai = res; ai != NULL; ai = ai->ai_next) {
<a name="l01173"></a>01173 <span class="keywordflow">if</span> (getnameinfo
<a name="l01174"></a>01174 (ai->ai_addr, ai->ai_addrlen, hbuf, <span class="keyword">sizeof</span>(hbuf), NULL,
<a name="l01175"></a>01175 0, NI_NUMERICHOST)) {
<a name="l01176"></a>01176 config_perror(<span class="stringliteral">"getnameinfo failed"</span>);
<a name="l01177"></a>01177 }
<a name="l01178"></a>01178 memmove(ai->ai_addr, &net, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l01179"></a>01179 inet_make_mask_addr(AF_INET6, &mask.sin6_addr, 127);
<a name="l01180"></a>01180
<a name="l01181"></a>01181 e = (com2Sec6Entry *) malloc(<span class="keyword">sizeof</span>(com2Sec6Entry));
<a name="l01182"></a>01182 <span class="keywordflow">if</span> (e == NULL) {
<a name="l01183"></a>01183 config_perror(<span class="stringliteral">"memory error"</span>);
<a name="l01184"></a>01184 <span class="keywordflow">return</span>;
<a name="l01185"></a>01185 }
<a name="l01186"></a>01186
<a name="l01187"></a>01187 <span class="comment">/*</span>
<a name="l01188"></a>01188 <span class="comment"> * Everything is okay. Copy the parameters to the structure allocated</span>
<a name="l01189"></a>01189 <span class="comment"> * above and add it to END of the list. </span>
<a name="l01190"></a>01190 <span class="comment"> */</span>
<a name="l01191"></a>01191 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_parse_security"</span>,
<a name="l01192"></a>01192 <span class="stringliteral">"<\"%s\", %s> => \"%s\"\n"</span>, community, hbuf,
<a name="l01193"></a>01193 secName));
<a name="l01194"></a>01194 memmove_com2Sec6Entry(e, secName, community, net, mask,
<a name="l01195"></a>01195 contextName);
<a name="l01196"></a>01196 <span class="keywordflow">if</span> (com2Sec6ListLast != NULL) {
<a name="l01197"></a>01197 com2Sec6ListLast->next = e;
<a name="l01198"></a>01198 com2Sec6ListLast = e;
<a name="l01199"></a>01199 } <span class="keywordflow">else</span> {
<a name="l01200"></a>01200 com2Sec6ListLast = com2Sec6List = e;
<a name="l01201"></a>01201 }
<a name="l01202"></a>01202 }
<a name="l01203"></a>01203 <span class="keywordflow">if</span> (res != NULL)
<a name="l01204"></a>01204 freeaddrinfo(res);
<a name="l01205"></a>01205
<a name="l01206"></a>01206 <span class="preprocessor">#endif </span><span class="comment">/* HAVE_GETADDRINFO */</span>
<a name="l01207"></a>01207
<a name="l01208"></a>01208 }
<a name="l01209"></a>01209 <span class="comment">/*</span>
<a name="l01210"></a>01210 <span class="comment"> * free(strnetwork); </span>
<a name="l01211"></a>01211 <span class="comment"> */</span>
<a name="l01212"></a>01212 }
<a name="l01213"></a>01213 }
<a name="l01214"></a>01214
<a name="l01215"></a>01215 <span class="keywordtype">void</span>
<a name="l01216"></a>01216 netsnmp_udp6_com2Sec6List_free(<span class="keywordtype">void</span>)
<a name="l01217"></a>01217 {
<a name="l01218"></a>01218 com2Sec6Entry *e = com2Sec6List;
<a name="l01219"></a>01219 <span class="keywordflow">while</span> (e != NULL) {
<a name="l01220"></a>01220 com2Sec6Entry *tmp = e;
<a name="l01221"></a>01221 e = e->next;
<a name="l01222"></a>01222 free(tmp);
<a name="l01223"></a>01223 }
<a name="l01224"></a>01224 com2Sec6List = com2Sec6ListLast = NULL;
<a name="l01225"></a>01225 }
<a name="l01226"></a>01226
<a name="l01227"></a>01227 <span class="preprocessor">#endif </span><span class="comment">/* support for community based SNMP */</span>
<a name="l01228"></a>01228
<a name="l01229"></a>01229 <span class="keywordtype">void</span>
<a name="l01230"></a>01230 netsnmp_udp6_agent_config_tokens_register(<span class="keywordtype">void</span>)
<a name="l01231"></a>01231 {
<a name="l01232"></a>01232 <span class="preprocessor">#if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C)</span>
<a name="l01233"></a>01233 <span class="preprocessor"></span> register_app_config_handler(<span class="stringliteral">"com2sec6"</span>, netsnmp_udp6_parse_security,
<a name="l01234"></a>01234 netsnmp_udp6_com2Sec6List_free,
<a name="l01235"></a>01235 <span class="stringliteral">"[-Cn CONTEXT] secName IPv6-network-address[/netmask] community"</span>);
<a name="l01236"></a>01236 <span class="preprocessor">#endif </span><span class="comment">/* support for community based SNMP */</span>
<a name="l01237"></a>01237 }
<a name="l01238"></a>01238
<a name="l01239"></a>01239
<a name="l01240"></a>01240
<a name="l01241"></a>01241 <span class="preprocessor">#if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C)</span>
<a name="l01242"></a>01242 <span class="preprocessor"></span><span class="comment">/*</span>
<a name="l01243"></a>01243 <span class="comment"> * Return 0 if there are no com2sec entries, or return 1 if there ARE com2sec </span>
<a name="l01244"></a>01244 <span class="comment"> * entries. On return, if a com2sec entry matched the passed parameters,</span>
<a name="l01245"></a>01245 <span class="comment"> * then *secName points at the appropriate security name, or is NULL if the</span>
<a name="l01246"></a>01246 <span class="comment"> * parameters did not match any com2sec entry. </span>
<a name="l01247"></a>01247 <span class="comment"> */</span>
<a name="l01248"></a>01248
<a name="l01249"></a>01249 <span class="keywordtype">int</span>
<a name="l01250"></a>01250 netsnmp_udp6_getSecName(<span class="keywordtype">void</span> *opaque, <span class="keywordtype">int</span> olength,
<a name="l01251"></a>01251 <span class="keyword">const</span> <span class="keywordtype">char</span> *community,
<a name="l01252"></a>01252 <span class="keywordtype">int</span> community_len, <span class="keywordtype">char</span> **secName, <span class="keywordtype">char</span> **contextName)
<a name="l01253"></a>01253 {
<a name="l01254"></a>01254 com2Sec6Entry *c;
<a name="l01255"></a>01255 <span class="keyword">struct </span>sockaddr_in6 *from = (<span class="keyword">struct </span>sockaddr_in6 *) opaque;
<a name="l01256"></a>01256 <span class="keywordtype">char</span> *ztcommunity = NULL;
<a name="l01257"></a>01257 <span class="keywordtype">char</span> str6[INET6_ADDRSTRLEN];
<a name="l01258"></a>01258
<a name="l01259"></a>01259 <span class="keywordflow">if</span> (secName != NULL) {
<a name="l01260"></a>01260 *secName = NULL; <span class="comment">/* Haven't found anything yet */</span>
<a name="l01261"></a>01261 }
<a name="l01262"></a>01262
<a name="l01263"></a>01263 <span class="comment">/*</span>
<a name="l01264"></a>01264 <span class="comment"> * Special case if there are NO entries (as opposed to no MATCHING</span>
<a name="l01265"></a>01265 <span class="comment"> * entries). </span>
<a name="l01266"></a>01266 <span class="comment"> */</span>
<a name="l01267"></a>01267
<a name="l01268"></a>01268 <span class="keywordflow">if</span> (com2Sec6List == NULL) {
<a name="l01269"></a>01269 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_getSecName"</span>, <span class="stringliteral">"no com2sec entries\n"</span>));
<a name="l01270"></a>01270 <span class="keywordflow">return</span> 0;
<a name="l01271"></a>01271 }
<a name="l01272"></a>01272
<a name="l01273"></a>01273 <span class="comment">/*</span>
<a name="l01274"></a>01274 <span class="comment"> * If there is no IPv6 source address, </span>
<a name="l01275"></a>01275 <span class="comment"> * then there can be no valid security name. </span>
<a name="l01276"></a>01276 <span class="comment"> */</span>
<a name="l01277"></a>01277
<a name="l01278"></a>01278 <span class="keywordflow">if</span> (opaque == NULL || olength != <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6)
<a name="l01279"></a>01279 || from->sin6_family != PF_INET6) {
<a name="l01280"></a>01280 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_getSecName"</span>,
<a name="l01281"></a>01281 <span class="stringliteral">"no IPv6 source address in PDU?\n"</span>));
<a name="l01282"></a>01282 <span class="keywordflow">return</span> 1;
<a name="l01283"></a>01283 }
<a name="l01284"></a>01284
<a name="l01285"></a>01285 ztcommunity = (<span class="keywordtype">char</span> *) malloc(community_len + 1);
<a name="l01286"></a>01286 <span class="keywordflow">if</span> (ztcommunity != NULL) {
<a name="l01287"></a>01287 memcpy(ztcommunity, community, community_len);
<a name="l01288"></a>01288 ztcommunity[community_len] = <span class="charliteral">'\0'</span>;
<a name="l01289"></a>01289 }
<a name="l01290"></a>01290
<a name="l01291"></a>01291 inet_ntop(AF_INET6, &from->sin6_addr, str6, <span class="keyword">sizeof</span>(str6));
<a name="l01292"></a>01292 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_getSecName"</span>, <span class="stringliteral">"resolve <\"%s\", %s>\n"</span>,
<a name="l01293"></a>01293 ztcommunity ? ztcommunity : <span class="stringliteral">"<malloc error>"</span>, str6));
<a name="l01294"></a>01294
<a name="l01295"></a>01295 <span class="keywordflow">for</span> (c = com2Sec6List; c != NULL; c = c->next) {
<a name="l01296"></a>01296 DEBUGMSGTL((<span class="stringliteral">"netsnmp_udp6_getSecName"</span>,
<a name="l01297"></a>01297 <span class="stringliteral">"compare <\"%s\", 0x%032/0x%032x>"</span>, c->community,
<a name="l01298"></a>01298 c->network, c->mask));
<a name="l01299"></a>01299
<a name="l01300"></a>01300 <span class="keywordflow">if</span> ((community_len == (<span class="keywordtype">int</span>)strlen(c->community)) &&
<a name="l01301"></a>01301 (memcmp(community, c->community, community_len) == 0) &&
<a name="l01302"></a>01302 (masked_address_are_equal(from->sin6_family,
<a name="l01303"></a>01303 (<span class="keyword">struct</span> sockaddr_storage *) from,
<a name="l01304"></a>01304 (<span class="keyword">struct</span> sockaddr_storage *) &c->mask,
<a name="l01305"></a>01305 (<span class="keyword">struct</span> sockaddr_storage *) &c->
<a name="l01306"></a>01306 network) == 0)) {
<a name="l01307"></a>01307 DEBUGMSG((<span class="stringliteral">"netsnmp_udp6_getSecName"</span>, <span class="stringliteral">"... SUCCESS\n"</span>));
<a name="l01308"></a>01308 <span class="keywordflow">if</span> (secName != NULL) {
<a name="l01309"></a>01309 *secName = c->secName;
<a name="l01310"></a>01310 *contextName = c->contextName;
<a name="l01311"></a>01311 }
<a name="l01312"></a>01312 <span class="keywordflow">break</span>;
<a name="l01313"></a>01313 }
<a name="l01314"></a>01314 DEBUGMSG((<span class="stringliteral">"netsnmp_udp6_getSecName"</span>, <span class="stringliteral">"... nope\n"</span>));
<a name="l01315"></a>01315 }
<a name="l01316"></a>01316 <span class="keywordflow">if</span> (ztcommunity != NULL) {
<a name="l01317"></a>01317 free(ztcommunity);
<a name="l01318"></a>01318 }
<a name="l01319"></a>01319 <span class="keywordflow">return</span> 1;
<a name="l01320"></a>01320 }
<a name="l01321"></a>01321 <span class="preprocessor">#endif </span><span class="comment">/* support for community based SNMP */</span>
<a name="l01322"></a>01322
<a name="l01323"></a>01323 <a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *
<a name="l01324"></a>01324 netsnmp_udp6_create_tstring(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, <span class="keywordtype">int</span> local,
<a name="l01325"></a>01325 <span class="keyword">const</span> <span class="keywordtype">char</span> *default_target)
<a name="l01326"></a>01326 {
<a name="l01327"></a>01327 <span class="keyword">struct </span>sockaddr_in6 addr;
<a name="l01328"></a>01328
<a name="l01329"></a>01329 <span class="keywordflow">if</span> (netsnmp_sockaddr_in6_2(&addr, str, default_target)) {
<a name="l01330"></a>01330 <span class="keywordflow">return</span> netsnmp_udp6_transport(&addr, local);
<a name="l01331"></a>01331 } <span class="keywordflow">else</span> {
<a name="l01332"></a>01332 <span class="keywordflow">return</span> NULL;
<a name="l01333"></a>01333 }
<a name="l01334"></a>01334 }
<a name="l01335"></a>01335
<a name="l01336"></a>01336
<a name="l01337"></a>01337 <span class="comment">/*</span>
<a name="l01338"></a>01338 <span class="comment"> * See:</span>
<a name="l01339"></a>01339 <span class="comment"> * </span>
<a name="l01340"></a>01340 <span class="comment"> * http://www.ietf.org/internet-drafts/draft-ietf-ops-taddress-mib-01.txt</span>
<a name="l01341"></a>01341 <span class="comment"> * </span>
<a name="l01342"></a>01342 <span class="comment"> * (or newer equivalent) for details of the TC which we are using for</span>
<a name="l01343"></a>01343 <span class="comment"> * the mapping here. </span>
<a name="l01344"></a>01344 <span class="comment"> */</span>
<a name="l01345"></a>01345
<a name="l01346"></a>01346 <a class="code" href="structnetsnmp__transport__s.html">netsnmp_transport</a> *
<a name="l01347"></a>01347 netsnmp_udp6_create_ostring(<span class="keyword">const</span> u_char * o, <span class="keywordtype">size_t</span> o_len, <span class="keywordtype">int</span> local)
<a name="l01348"></a>01348 {
<a name="l01349"></a>01349 <span class="keyword">struct </span>sockaddr_in6 addr;
<a name="l01350"></a>01350
<a name="l01351"></a>01351 <span class="keywordflow">if</span> (o_len == 18) {
<a name="l01352"></a>01352 memset((u_char *) & addr, 0, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr_in6));
<a name="l01353"></a>01353 addr.sin6_family = AF_INET6;
<a name="l01354"></a>01354 memcpy((u_char *) & (addr.sin6_addr.s6_addr), o, 16);
<a name="l01355"></a>01355 addr.sin6_port = (o[16] << 8) + o[17];
<a name="l01356"></a>01356 <span class="keywordflow">return</span> netsnmp_udp6_transport(&addr, local);
<a name="l01357"></a>01357 }
<a name="l01358"></a>01358 <span class="keywordflow">return</span> NULL;
<a name="l01359"></a>01359 }
<a name="l01360"></a>01360
<a name="l01361"></a>01361
<a name="l01362"></a>01362 <span class="keywordtype">void</span>
<a name="l01363"></a>01363 netsnmp_udp6_ctor(<span class="keywordtype">void</span>)
<a name="l01364"></a>01364 {
<a name="l01365"></a>01365 udp6Domain.name = netsnmp_UDPIPv6Domain;
<a name="l01366"></a>01366 udp6Domain.name_length = <span class="keyword">sizeof</span>(netsnmp_UDPIPv6Domain) / <span class="keyword">sizeof</span>(oid);
<a name="l01367"></a>01367 udp6Domain.f_create_from_tstring_new = netsnmp_udp6_create_tstring;
<a name="l01368"></a>01368 udp6Domain.f_create_from_ostring = netsnmp_udp6_create_ostring;
<a name="l01369"></a>01369 udp6Domain.prefix = (<span class="keyword">const</span> <span class="keywordtype">char</span>**)calloc(5, <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *));
<a name="l01370"></a>01370 udp6Domain.prefix[0] = <span class="stringliteral">"udp6"</span>;
<a name="l01371"></a>01371 udp6Domain.prefix[1] = <span class="stringliteral">"ipv6"</span>;
<a name="l01372"></a>01372 udp6Domain.prefix[2] = <span class="stringliteral">"udpv6"</span>;
<a name="l01373"></a>01373 udp6Domain.prefix[3] = <span class="stringliteral">"udpipv6"</span>;
<a name="l01374"></a>01374
<a name="l01375"></a>01375 netsnmp_tdomain_register(&udp6Domain);
<a name="l01376"></a>01376 }
<a name="l01377"></a>01377
<a name="l01378"></a>01378 <span class="preprocessor">#else</span>
<a name="l01379"></a>01379 <span class="preprocessor"></span>
<a name="l01380"></a>01380 <span class="preprocessor">#ifdef NETSNMP_DLL</span>
<a name="l01381"></a>01381 <span class="preprocessor"></span><span class="comment">/* need this hook for win32 MSVC++ DLL build */</span>
<a name="l01382"></a>01382 <span class="keywordtype">void</span>
<a name="l01383"></a>01383 netsnmp_udp6_agent_config_tokens_register(<span class="keywordtype">void</span>)
<a name="l01384"></a>01384 { }
<a name="l01385"></a>01385 <span class="preprocessor">#endif</span>
<a name="l01386"></a>01386 <span class="preprocessor"></span>
<a name="l01387"></a>01387 <span class="preprocessor">#endif </span><span class="comment">/* NETSNMP_TRANSPORT_UDPIPV6_DOMAIN */</span>
<a name="l01388"></a>01388
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